| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefix=RV32I-FPELIM %s |
| ; RUN: llc -mtriple=riscv32 -verify-machineinstrs -disable-fp-elim < %s \ |
| ; RUN: | FileCheck -check-prefix=RV32I-WITHFP %s |
| |
| ; As well as calling convention details, we check that ra and fp are |
| ; consistently stored to fp-4 and fp-8. |
| |
| ; Check that on RV32, i64 and double are passed in a pair of registers. Unlike |
| ; the convention for varargs, this need not be an aligned pair. |
| |
| define i32 @callee_scalars(i32 %a, i64 %b, i32 %c, i32 %d, double %e) nounwind { |
| ; RV32I-FPELIM-LABEL: callee_scalars: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -32 |
| ; RV32I-FPELIM-NEXT: sw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: sw s1, 24(sp) |
| ; RV32I-FPELIM-NEXT: sw s2, 20(sp) |
| ; RV32I-FPELIM-NEXT: sw s3, 16(sp) |
| ; RV32I-FPELIM-NEXT: sw s4, 12(sp) |
| ; RV32I-FPELIM-NEXT: mv s2, a4 |
| ; RV32I-FPELIM-NEXT: mv s3, a3 |
| ; RV32I-FPELIM-NEXT: mv s4, a1 |
| ; RV32I-FPELIM-NEXT: mv s1, a0 |
| ; RV32I-FPELIM-NEXT: mv a0, a5 |
| ; RV32I-FPELIM-NEXT: mv a1, a6 |
| ; RV32I-FPELIM-NEXT: call __fixdfsi |
| ; RV32I-FPELIM-NEXT: add a1, s1, s4 |
| ; RV32I-FPELIM-NEXT: add a1, a1, s3 |
| ; RV32I-FPELIM-NEXT: add a1, a1, s2 |
| ; RV32I-FPELIM-NEXT: add a0, a1, a0 |
| ; RV32I-FPELIM-NEXT: lw s4, 12(sp) |
| ; RV32I-FPELIM-NEXT: lw s3, 16(sp) |
| ; RV32I-FPELIM-NEXT: lw s2, 20(sp) |
| ; RV32I-FPELIM-NEXT: lw s1, 24(sp) |
| ; RV32I-FPELIM-NEXT: lw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 32 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_scalars: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -32 |
| ; RV32I-WITHFP-NEXT: sw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: sw s1, 20(sp) |
| ; RV32I-WITHFP-NEXT: sw s2, 16(sp) |
| ; RV32I-WITHFP-NEXT: sw s3, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s4, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 32 |
| ; RV32I-WITHFP-NEXT: mv s2, a4 |
| ; RV32I-WITHFP-NEXT: mv s3, a3 |
| ; RV32I-WITHFP-NEXT: mv s4, a1 |
| ; RV32I-WITHFP-NEXT: mv s1, a0 |
| ; RV32I-WITHFP-NEXT: mv a0, a5 |
| ; RV32I-WITHFP-NEXT: mv a1, a6 |
| ; RV32I-WITHFP-NEXT: call __fixdfsi |
| ; RV32I-WITHFP-NEXT: add a1, s1, s4 |
| ; RV32I-WITHFP-NEXT: add a1, a1, s3 |
| ; RV32I-WITHFP-NEXT: add a1, a1, s2 |
| ; RV32I-WITHFP-NEXT: add a0, a1, a0 |
| ; RV32I-WITHFP-NEXT: lw s4, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw s3, 12(sp) |
| ; RV32I-WITHFP-NEXT: lw s2, 16(sp) |
| ; RV32I-WITHFP-NEXT: lw s1, 20(sp) |
| ; RV32I-WITHFP-NEXT: lw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 32 |
| ; RV32I-WITHFP-NEXT: ret |
| %b_trunc = trunc i64 %b to i32 |
| %e_fptosi = fptosi double %e to i32 |
| %1 = add i32 %a, %b_trunc |
| %2 = add i32 %1, %c |
| %3 = add i32 %2, %d |
| %4 = add i32 %3, %e_fptosi |
| ret i32 %4 |
| } |
| |
| define i32 @caller_scalars() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_scalars: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -16 |
| ; RV32I-FPELIM-NEXT: sw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 2 |
| ; RV32I-FPELIM-NEXT: addi a3, zero, 3 |
| ; RV32I-FPELIM-NEXT: addi a4, zero, 4 |
| ; RV32I-FPELIM-NEXT: lui a6, 262464 |
| ; RV32I-FPELIM-NEXT: mv a2, zero |
| ; RV32I-FPELIM-NEXT: mv a5, zero |
| ; RV32I-FPELIM-NEXT: call callee_scalars |
| ; RV32I-FPELIM-NEXT: lw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 16 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_scalars: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 2 |
| ; RV32I-WITHFP-NEXT: addi a3, zero, 3 |
| ; RV32I-WITHFP-NEXT: addi a4, zero, 4 |
| ; RV32I-WITHFP-NEXT: lui a6, 262464 |
| ; RV32I-WITHFP-NEXT: mv a2, zero |
| ; RV32I-WITHFP-NEXT: mv a5, zero |
| ; RV32I-WITHFP-NEXT: call callee_scalars |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call i32 @callee_scalars(i32 1, i64 2, i32 3, i32 4, double 5.000000e+00) |
| ret i32 %1 |
| } |
| |
| ; Check that i128 and fp128 are passed indirectly |
| |
| define i32 @callee_large_scalars(i128 %a, fp128 %b) nounwind { |
| ; RV32I-FPELIM-LABEL: callee_large_scalars: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: lw a2, 12(a1) |
| ; RV32I-FPELIM-NEXT: lw a3, 12(a0) |
| ; RV32I-FPELIM-NEXT: xor a2, a3, a2 |
| ; RV32I-FPELIM-NEXT: lw a3, 4(a1) |
| ; RV32I-FPELIM-NEXT: lw a4, 4(a0) |
| ; RV32I-FPELIM-NEXT: xor a3, a4, a3 |
| ; RV32I-FPELIM-NEXT: or a2, a3, a2 |
| ; RV32I-FPELIM-NEXT: lw a3, 8(a1) |
| ; RV32I-FPELIM-NEXT: lw a4, 8(a0) |
| ; RV32I-FPELIM-NEXT: xor a3, a4, a3 |
| ; RV32I-FPELIM-NEXT: lw a1, 0(a1) |
| ; RV32I-FPELIM-NEXT: lw a0, 0(a0) |
| ; RV32I-FPELIM-NEXT: xor a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: or a0, a0, a3 |
| ; RV32I-FPELIM-NEXT: or a0, a0, a2 |
| ; RV32I-FPELIM-NEXT: xor a0, a0, zero |
| ; RV32I-FPELIM-NEXT: seqz a0, a0 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_large_scalars: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lw a2, 12(a1) |
| ; RV32I-WITHFP-NEXT: lw a3, 12(a0) |
| ; RV32I-WITHFP-NEXT: xor a2, a3, a2 |
| ; RV32I-WITHFP-NEXT: lw a3, 4(a1) |
| ; RV32I-WITHFP-NEXT: lw a4, 4(a0) |
| ; RV32I-WITHFP-NEXT: xor a3, a4, a3 |
| ; RV32I-WITHFP-NEXT: or a2, a3, a2 |
| ; RV32I-WITHFP-NEXT: lw a3, 8(a1) |
| ; RV32I-WITHFP-NEXT: lw a4, 8(a0) |
| ; RV32I-WITHFP-NEXT: xor a3, a4, a3 |
| ; RV32I-WITHFP-NEXT: lw a1, 0(a1) |
| ; RV32I-WITHFP-NEXT: lw a0, 0(a0) |
| ; RV32I-WITHFP-NEXT: xor a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: or a0, a0, a3 |
| ; RV32I-WITHFP-NEXT: or a0, a0, a2 |
| ; RV32I-WITHFP-NEXT: xor a0, a0, zero |
| ; RV32I-WITHFP-NEXT: seqz a0, a0 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %b_bitcast = bitcast fp128 %b to i128 |
| %1 = icmp eq i128 %a, %b_bitcast |
| %2 = zext i1 %1 to i32 |
| ret i32 %2 |
| } |
| |
| define i32 @caller_large_scalars() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_large_scalars: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -48 |
| ; RV32I-FPELIM-NEXT: sw ra, 44(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 524272 |
| ; RV32I-FPELIM-NEXT: sw a0, 12(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 8(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 4(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 0(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 36(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 32(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 28(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: sw a0, 24(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, sp, 24 |
| ; RV32I-FPELIM-NEXT: mv a1, sp |
| ; RV32I-FPELIM-NEXT: call callee_large_scalars |
| ; RV32I-FPELIM-NEXT: lw ra, 44(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 48 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_large_scalars: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -48 |
| ; RV32I-WITHFP-NEXT: sw ra, 44(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 40(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 48 |
| ; RV32I-WITHFP-NEXT: lui a0, 524272 |
| ; RV32I-WITHFP-NEXT: sw a0, -36(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -40(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -44(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -48(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -12(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -16(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -20(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: sw a0, -24(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, s0, -24 |
| ; RV32I-WITHFP-NEXT: addi a1, s0, -48 |
| ; RV32I-WITHFP-NEXT: call callee_large_scalars |
| ; RV32I-WITHFP-NEXT: lw s0, 40(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 44(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 48 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call i32 @callee_large_scalars(i128 1, fp128 0xL00000000000000007FFF000000000000) |
| ret i32 %1 |
| } |
| |
| ; Must keep define on a single line due to an update_llc_test_checks.py limitation |
| define i32 @callee_large_scalars_exhausted_regs(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i128 %h, i32 %i, fp128 %j) nounwind { |
| ; Check that arguments larger than 2*xlen are handled correctly when their |
| ; address is passed on the stack rather than in memory |
| ; RV32I-FPELIM-LABEL: callee_large_scalars_exhausted_regs: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: lw a0, 4(sp) |
| ; RV32I-FPELIM-NEXT: lw a1, 12(a0) |
| ; RV32I-FPELIM-NEXT: lw a2, 12(a7) |
| ; RV32I-FPELIM-NEXT: xor a1, a2, a1 |
| ; RV32I-FPELIM-NEXT: lw a2, 4(a0) |
| ; RV32I-FPELIM-NEXT: lw a3, 4(a7) |
| ; RV32I-FPELIM-NEXT: xor a2, a3, a2 |
| ; RV32I-FPELIM-NEXT: or a1, a2, a1 |
| ; RV32I-FPELIM-NEXT: lw a2, 8(a0) |
| ; RV32I-FPELIM-NEXT: lw a3, 8(a7) |
| ; RV32I-FPELIM-NEXT: xor a2, a3, a2 |
| ; RV32I-FPELIM-NEXT: lw a0, 0(a0) |
| ; RV32I-FPELIM-NEXT: lw a3, 0(a7) |
| ; RV32I-FPELIM-NEXT: xor a0, a3, a0 |
| ; RV32I-FPELIM-NEXT: or a0, a0, a2 |
| ; RV32I-FPELIM-NEXT: or a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: xor a0, a0, zero |
| ; RV32I-FPELIM-NEXT: seqz a0, a0 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_large_scalars_exhausted_regs: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lw a0, 4(s0) |
| ; RV32I-WITHFP-NEXT: lw a1, 12(a0) |
| ; RV32I-WITHFP-NEXT: lw a2, 12(a7) |
| ; RV32I-WITHFP-NEXT: xor a1, a2, a1 |
| ; RV32I-WITHFP-NEXT: lw a2, 4(a0) |
| ; RV32I-WITHFP-NEXT: lw a3, 4(a7) |
| ; RV32I-WITHFP-NEXT: xor a2, a3, a2 |
| ; RV32I-WITHFP-NEXT: or a1, a2, a1 |
| ; RV32I-WITHFP-NEXT: lw a2, 8(a0) |
| ; RV32I-WITHFP-NEXT: lw a3, 8(a7) |
| ; RV32I-WITHFP-NEXT: xor a2, a3, a2 |
| ; RV32I-WITHFP-NEXT: lw a0, 0(a0) |
| ; RV32I-WITHFP-NEXT: lw a3, 0(a7) |
| ; RV32I-WITHFP-NEXT: xor a0, a3, a0 |
| ; RV32I-WITHFP-NEXT: or a0, a0, a2 |
| ; RV32I-WITHFP-NEXT: or a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: xor a0, a0, zero |
| ; RV32I-WITHFP-NEXT: seqz a0, a0 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %j_bitcast = bitcast fp128 %j to i128 |
| %1 = icmp eq i128 %h, %j_bitcast |
| %2 = zext i1 %1 to i32 |
| ret i32 %2 |
| } |
| |
| define i32 @caller_large_scalars_exhausted_regs() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_large_scalars_exhausted_regs: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -64 |
| ; RV32I-FPELIM-NEXT: sw ra, 60(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, sp, 16 |
| ; RV32I-FPELIM-NEXT: sw a0, 4(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 9 |
| ; RV32I-FPELIM-NEXT: sw a0, 0(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 524272 |
| ; RV32I-FPELIM-NEXT: sw a0, 28(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 24(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 20(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 16(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 52(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 48(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 44(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 8 |
| ; RV32I-FPELIM-NEXT: sw a0, 40(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 2 |
| ; RV32I-FPELIM-NEXT: addi a2, zero, 3 |
| ; RV32I-FPELIM-NEXT: addi a3, zero, 4 |
| ; RV32I-FPELIM-NEXT: addi a4, zero, 5 |
| ; RV32I-FPELIM-NEXT: addi a5, zero, 6 |
| ; RV32I-FPELIM-NEXT: addi a6, zero, 7 |
| ; RV32I-FPELIM-NEXT: addi a7, sp, 40 |
| ; RV32I-FPELIM-NEXT: call callee_large_scalars_exhausted_regs |
| ; RV32I-FPELIM-NEXT: lw ra, 60(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 64 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_large_scalars_exhausted_regs: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -64 |
| ; RV32I-WITHFP-NEXT: sw ra, 60(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 56(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 64 |
| ; RV32I-WITHFP-NEXT: addi a0, s0, -48 |
| ; RV32I-WITHFP-NEXT: sw a0, 4(sp) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 9 |
| ; RV32I-WITHFP-NEXT: sw a0, 0(sp) |
| ; RV32I-WITHFP-NEXT: lui a0, 524272 |
| ; RV32I-WITHFP-NEXT: sw a0, -36(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -40(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -44(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -48(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -12(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -16(s0) |
| ; RV32I-WITHFP-NEXT: sw zero, -20(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 8 |
| ; RV32I-WITHFP-NEXT: sw a0, -24(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 2 |
| ; RV32I-WITHFP-NEXT: addi a2, zero, 3 |
| ; RV32I-WITHFP-NEXT: addi a3, zero, 4 |
| ; RV32I-WITHFP-NEXT: addi a4, zero, 5 |
| ; RV32I-WITHFP-NEXT: addi a5, zero, 6 |
| ; RV32I-WITHFP-NEXT: addi a6, zero, 7 |
| ; RV32I-WITHFP-NEXT: addi a7, s0, -24 |
| ; RV32I-WITHFP-NEXT: call callee_large_scalars_exhausted_regs |
| ; RV32I-WITHFP-NEXT: lw s0, 56(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 60(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 64 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call i32 @callee_large_scalars_exhausted_regs( |
| i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i128 8, i32 9, |
| fp128 0xL00000000000000007FFF000000000000) |
| ret i32 %1 |
| } |
| |
| ; Ensure that libcalls generated in the middle-end obey the calling convention |
| |
| define i32 @caller_mixed_scalar_libcalls(i64 %a) nounwind { |
| ; RV32I-FPELIM-LABEL: caller_mixed_scalar_libcalls: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -32 |
| ; RV32I-FPELIM-NEXT: sw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: mv a2, a1 |
| ; RV32I-FPELIM-NEXT: mv a1, a0 |
| ; RV32I-FPELIM-NEXT: addi a0, sp, 8 |
| ; RV32I-FPELIM-NEXT: call __floatditf |
| ; RV32I-FPELIM-NEXT: lw a0, 8(sp) |
| ; RV32I-FPELIM-NEXT: lw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 32 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_mixed_scalar_libcalls: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -32 |
| ; RV32I-WITHFP-NEXT: sw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 32 |
| ; RV32I-WITHFP-NEXT: mv a2, a1 |
| ; RV32I-WITHFP-NEXT: mv a1, a0 |
| ; RV32I-WITHFP-NEXT: addi a0, s0, -24 |
| ; RV32I-WITHFP-NEXT: call __floatditf |
| ; RV32I-WITHFP-NEXT: lw a0, -24(s0) |
| ; RV32I-WITHFP-NEXT: lw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 32 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = sitofp i64 %a to fp128 |
| %2 = bitcast fp128 %1 to i128 |
| %3 = trunc i128 %2 to i32 |
| ret i32 %3 |
| } |
| |
| ; Check that the stack is used once the GPRs are exhausted |
| |
| define i32 @callee_many_scalars(i8 %a, i16 %b, i32 %c, i64 %d, i32 %e, i32 %f, i64 %g, i32 %h) nounwind { |
| ; RV32I-FPELIM-LABEL: callee_many_scalars: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: lw t0, 0(sp) |
| ; RV32I-FPELIM-NEXT: xor a4, a4, t0 |
| ; RV32I-FPELIM-NEXT: xor a3, a3, a7 |
| ; RV32I-FPELIM-NEXT: or a3, a3, a4 |
| ; RV32I-FPELIM-NEXT: xor a3, a3, zero |
| ; RV32I-FPELIM-NEXT: lui a4, 16 |
| ; RV32I-FPELIM-NEXT: addi a4, a4, -1 |
| ; RV32I-FPELIM-NEXT: and a1, a1, a4 |
| ; RV32I-FPELIM-NEXT: andi a0, a0, 255 |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: add a0, a0, a2 |
| ; RV32I-FPELIM-NEXT: seqz a1, a3 |
| ; RV32I-FPELIM-NEXT: add a0, a1, a0 |
| ; RV32I-FPELIM-NEXT: add a0, a0, a5 |
| ; RV32I-FPELIM-NEXT: add a0, a0, a6 |
| ; RV32I-FPELIM-NEXT: lw a1, 4(sp) |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_many_scalars: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lw t0, 0(s0) |
| ; RV32I-WITHFP-NEXT: xor a4, a4, t0 |
| ; RV32I-WITHFP-NEXT: xor a3, a3, a7 |
| ; RV32I-WITHFP-NEXT: or a3, a3, a4 |
| ; RV32I-WITHFP-NEXT: xor a3, a3, zero |
| ; RV32I-WITHFP-NEXT: lui a4, 16 |
| ; RV32I-WITHFP-NEXT: addi a4, a4, -1 |
| ; RV32I-WITHFP-NEXT: and a1, a1, a4 |
| ; RV32I-WITHFP-NEXT: andi a0, a0, 255 |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: add a0, a0, a2 |
| ; RV32I-WITHFP-NEXT: seqz a1, a3 |
| ; RV32I-WITHFP-NEXT: add a0, a1, a0 |
| ; RV32I-WITHFP-NEXT: add a0, a0, a5 |
| ; RV32I-WITHFP-NEXT: add a0, a0, a6 |
| ; RV32I-WITHFP-NEXT: lw a1, 4(s0) |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %a_ext = zext i8 %a to i32 |
| %b_ext = zext i16 %b to i32 |
| %1 = add i32 %a_ext, %b_ext |
| %2 = add i32 %1, %c |
| %3 = icmp eq i64 %d, %g |
| %4 = zext i1 %3 to i32 |
| %5 = add i32 %4, %2 |
| %6 = add i32 %5, %e |
| %7 = add i32 %6, %f |
| %8 = add i32 %7, %h |
| ret i32 %8 |
| } |
| |
| define i32 @caller_many_scalars() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_many_scalars: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -16 |
| ; RV32I-FPELIM-NEXT: sw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 8 |
| ; RV32I-FPELIM-NEXT: sw a0, 4(sp) |
| ; RV32I-FPELIM-NEXT: sw zero, 0(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 2 |
| ; RV32I-FPELIM-NEXT: addi a2, zero, 3 |
| ; RV32I-FPELIM-NEXT: addi a3, zero, 4 |
| ; RV32I-FPELIM-NEXT: addi a5, zero, 5 |
| ; RV32I-FPELIM-NEXT: addi a6, zero, 6 |
| ; RV32I-FPELIM-NEXT: addi a7, zero, 7 |
| ; RV32I-FPELIM-NEXT: mv a4, zero |
| ; RV32I-FPELIM-NEXT: call callee_many_scalars |
| ; RV32I-FPELIM-NEXT: lw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 16 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_many_scalars: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 8 |
| ; RV32I-WITHFP-NEXT: sw a0, 4(sp) |
| ; RV32I-WITHFP-NEXT: sw zero, 0(sp) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 2 |
| ; RV32I-WITHFP-NEXT: addi a2, zero, 3 |
| ; RV32I-WITHFP-NEXT: addi a3, zero, 4 |
| ; RV32I-WITHFP-NEXT: addi a5, zero, 5 |
| ; RV32I-WITHFP-NEXT: addi a6, zero, 6 |
| ; RV32I-WITHFP-NEXT: addi a7, zero, 7 |
| ; RV32I-WITHFP-NEXT: mv a4, zero |
| ; RV32I-WITHFP-NEXT: call callee_many_scalars |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call i32 @callee_many_scalars(i8 1, i16 2, i32 3, i64 4, i32 5, i32 6, i64 7, i32 8) |
| ret i32 %1 |
| } |
| |
| ; Check passing of coerced integer arrays |
| |
| %struct.small = type { i32, i32* } |
| |
| define i32 @callee_small_coerced_struct([2 x i32] %a.coerce) nounwind { |
| ; RV32I-FPELIM-LABEL: callee_small_coerced_struct: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: xor a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: seqz a0, a0 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_small_coerced_struct: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: xor a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: seqz a0, a0 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = extractvalue [2 x i32] %a.coerce, 0 |
| %2 = extractvalue [2 x i32] %a.coerce, 1 |
| %3 = icmp eq i32 %1, %2 |
| %4 = zext i1 %3 to i32 |
| ret i32 %4 |
| } |
| |
| define i32 @caller_small_coerced_struct() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_small_coerced_struct: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -16 |
| ; RV32I-FPELIM-NEXT: sw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 2 |
| ; RV32I-FPELIM-NEXT: call callee_small_coerced_struct |
| ; RV32I-FPELIM-NEXT: lw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 16 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_small_coerced_struct: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 2 |
| ; RV32I-WITHFP-NEXT: call callee_small_coerced_struct |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call i32 @callee_small_coerced_struct([2 x i32] [i32 1, i32 2]) |
| ret i32 %1 |
| } |
| |
| ; Check large struct arguments, which are passed byval |
| |
| %struct.large = type { i32, i32, i32, i32 } |
| |
| define i32 @callee_large_struct(%struct.large* byval align 4 %a) nounwind { |
| ; RV32I-FPELIM-LABEL: callee_large_struct: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: lw a1, 12(a0) |
| ; RV32I-FPELIM-NEXT: lw a0, 0(a0) |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_large_struct: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lw a1, 12(a0) |
| ; RV32I-WITHFP-NEXT: lw a0, 0(a0) |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = getelementptr inbounds %struct.large, %struct.large* %a, i32 0, i32 0 |
| %2 = getelementptr inbounds %struct.large, %struct.large* %a, i32 0, i32 3 |
| %3 = load i32, i32* %1 |
| %4 = load i32, i32* %2 |
| %5 = add i32 %3, %4 |
| ret i32 %5 |
| } |
| |
| define i32 @caller_large_struct() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_large_struct: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -48 |
| ; RV32I-FPELIM-NEXT: sw ra, 44(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: sw a0, 24(sp) |
| ; RV32I-FPELIM-NEXT: sw a0, 8(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 2 |
| ; RV32I-FPELIM-NEXT: sw a0, 28(sp) |
| ; RV32I-FPELIM-NEXT: sw a0, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 3 |
| ; RV32I-FPELIM-NEXT: sw a0, 32(sp) |
| ; RV32I-FPELIM-NEXT: sw a0, 16(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 4 |
| ; RV32I-FPELIM-NEXT: sw a0, 36(sp) |
| ; RV32I-FPELIM-NEXT: sw a0, 20(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, sp, 8 |
| ; RV32I-FPELIM-NEXT: call callee_large_struct |
| ; RV32I-FPELIM-NEXT: lw ra, 44(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 48 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_large_struct: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -48 |
| ; RV32I-WITHFP-NEXT: sw ra, 44(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 40(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 48 |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: sw a0, -24(s0) |
| ; RV32I-WITHFP-NEXT: sw a0, -40(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 2 |
| ; RV32I-WITHFP-NEXT: sw a0, -20(s0) |
| ; RV32I-WITHFP-NEXT: sw a0, -36(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 3 |
| ; RV32I-WITHFP-NEXT: sw a0, -16(s0) |
| ; RV32I-WITHFP-NEXT: sw a0, -32(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 4 |
| ; RV32I-WITHFP-NEXT: sw a0, -12(s0) |
| ; RV32I-WITHFP-NEXT: sw a0, -28(s0) |
| ; RV32I-WITHFP-NEXT: addi a0, s0, -40 |
| ; RV32I-WITHFP-NEXT: call callee_large_struct |
| ; RV32I-WITHFP-NEXT: lw s0, 40(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 44(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 48 |
| ; RV32I-WITHFP-NEXT: ret |
| %ls = alloca %struct.large, align 4 |
| %1 = bitcast %struct.large* %ls to i8* |
| %a = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 0 |
| store i32 1, i32* %a |
| %b = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 1 |
| store i32 2, i32* %b |
| %c = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 2 |
| store i32 3, i32* %c |
| %d = getelementptr inbounds %struct.large, %struct.large* %ls, i32 0, i32 3 |
| store i32 4, i32* %d |
| %2 = call i32 @callee_large_struct(%struct.large* byval align 4 %ls) |
| ret i32 %2 |
| } |
| |
| ; Check 2x*xlen values are aligned appropriately when passed on the stack |
| ; Must keep define on a single line due to an update_llc_test_checks.py limitation |
| define i32 @callee_aligned_stack(i32 %a, i32 %b, fp128 %c, i32 %d, i32 %e, i64 %f, i32 %g, i32 %h, double %i, i32 %j, [2 x i32] %k) nounwind { |
| ; The double should be 8-byte aligned on the stack, but the two-element array |
| ; should only be 4-byte aligned |
| ; RV32I-FPELIM-LABEL: callee_aligned_stack: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: lw a0, 0(a2) |
| ; RV32I-FPELIM-NEXT: add a0, a0, a7 |
| ; RV32I-FPELIM-NEXT: lw a1, 0(sp) |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: lw a1, 8(sp) |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: lw a1, 16(sp) |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: lw a1, 20(sp) |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_aligned_stack: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lw a0, 0(a2) |
| ; RV32I-WITHFP-NEXT: add a0, a0, a7 |
| ; RV32I-WITHFP-NEXT: lw a1, 0(s0) |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: lw a1, 8(s0) |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: lw a1, 16(s0) |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: lw a1, 20(s0) |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = bitcast fp128 %c to i128 |
| %2 = trunc i128 %1 to i32 |
| %3 = add i32 %2, %g |
| %4 = add i32 %3, %h |
| %5 = bitcast double %i to i64 |
| %6 = trunc i64 %5 to i32 |
| %7 = add i32 %4, %6 |
| %8 = add i32 %7, %j |
| %9 = extractvalue [2 x i32] %k, 0 |
| %10 = add i32 %8, %9 |
| ret i32 %10 |
| } |
| |
| define void @caller_aligned_stack() nounwind { |
| ; The double should be 8-byte aligned on the stack, but the two-element array |
| ; should only be 4-byte aligned |
| ; RV32I-FPELIM-LABEL: caller_aligned_stack: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -64 |
| ; RV32I-FPELIM-NEXT: sw ra, 60(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 18 |
| ; RV32I-FPELIM-NEXT: sw a0, 24(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 17 |
| ; RV32I-FPELIM-NEXT: sw a0, 20(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 16 |
| ; RV32I-FPELIM-NEXT: sw a0, 16(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 262236 |
| ; RV32I-FPELIM-NEXT: addi a0, a0, 655 |
| ; RV32I-FPELIM-NEXT: sw a0, 12(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 377487 |
| ; RV32I-FPELIM-NEXT: addi a0, a0, 1475 |
| ; RV32I-FPELIM-NEXT: sw a0, 8(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 15 |
| ; RV32I-FPELIM-NEXT: sw a0, 0(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 262153 |
| ; RV32I-FPELIM-NEXT: addi a0, a0, 491 |
| ; RV32I-FPELIM-NEXT: sw a0, 44(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 545260 |
| ; RV32I-FPELIM-NEXT: addi a0, a0, -1967 |
| ; RV32I-FPELIM-NEXT: sw a0, 40(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 964690 |
| ; RV32I-FPELIM-NEXT: addi a0, a0, -328 |
| ; RV32I-FPELIM-NEXT: sw a0, 36(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 335544 |
| ; RV32I-FPELIM-NEXT: addi a0, a0, 1311 |
| ; RV32I-FPELIM-NEXT: sw a0, 32(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 688509 |
| ; RV32I-FPELIM-NEXT: addi a5, a0, -2048 |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 11 |
| ; RV32I-FPELIM-NEXT: addi a2, sp, 32 |
| ; RV32I-FPELIM-NEXT: addi a3, zero, 12 |
| ; RV32I-FPELIM-NEXT: addi a4, zero, 13 |
| ; RV32I-FPELIM-NEXT: addi a6, zero, 4 |
| ; RV32I-FPELIM-NEXT: addi a7, zero, 14 |
| ; RV32I-FPELIM-NEXT: call callee_aligned_stack |
| ; RV32I-FPELIM-NEXT: lw ra, 60(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 64 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_aligned_stack: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -64 |
| ; RV32I-WITHFP-NEXT: sw ra, 60(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 56(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 64 |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 18 |
| ; RV32I-WITHFP-NEXT: sw a0, 24(sp) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 17 |
| ; RV32I-WITHFP-NEXT: sw a0, 20(sp) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 16 |
| ; RV32I-WITHFP-NEXT: sw a0, 16(sp) |
| ; RV32I-WITHFP-NEXT: lui a0, 262236 |
| ; RV32I-WITHFP-NEXT: addi a0, a0, 655 |
| ; RV32I-WITHFP-NEXT: sw a0, 12(sp) |
| ; RV32I-WITHFP-NEXT: lui a0, 377487 |
| ; RV32I-WITHFP-NEXT: addi a0, a0, 1475 |
| ; RV32I-WITHFP-NEXT: sw a0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 15 |
| ; RV32I-WITHFP-NEXT: sw a0, 0(sp) |
| ; RV32I-WITHFP-NEXT: lui a0, 262153 |
| ; RV32I-WITHFP-NEXT: addi a0, a0, 491 |
| ; RV32I-WITHFP-NEXT: sw a0, -20(s0) |
| ; RV32I-WITHFP-NEXT: lui a0, 545260 |
| ; RV32I-WITHFP-NEXT: addi a0, a0, -1967 |
| ; RV32I-WITHFP-NEXT: sw a0, -24(s0) |
| ; RV32I-WITHFP-NEXT: lui a0, 964690 |
| ; RV32I-WITHFP-NEXT: addi a0, a0, -328 |
| ; RV32I-WITHFP-NEXT: sw a0, -28(s0) |
| ; RV32I-WITHFP-NEXT: lui a0, 335544 |
| ; RV32I-WITHFP-NEXT: addi a0, a0, 1311 |
| ; RV32I-WITHFP-NEXT: sw a0, -32(s0) |
| ; RV32I-WITHFP-NEXT: lui a0, 688509 |
| ; RV32I-WITHFP-NEXT: addi a5, a0, -2048 |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 11 |
| ; RV32I-WITHFP-NEXT: addi a2, s0, -32 |
| ; RV32I-WITHFP-NEXT: addi a3, zero, 12 |
| ; RV32I-WITHFP-NEXT: addi a4, zero, 13 |
| ; RV32I-WITHFP-NEXT: addi a6, zero, 4 |
| ; RV32I-WITHFP-NEXT: addi a7, zero, 14 |
| ; RV32I-WITHFP-NEXT: call callee_aligned_stack |
| ; RV32I-WITHFP-NEXT: lw s0, 56(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 60(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 64 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call i32 @callee_aligned_stack(i32 1, i32 11, |
| fp128 0xLEB851EB851EB851F400091EB851EB851, i32 12, i32 13, |
| i64 20000000000, i32 14, i32 15, double 2.720000e+00, i32 16, |
| [2 x i32] [i32 17, i32 18]) |
| ret void |
| } |
| |
| ; Check return of 2x xlen scalars |
| |
| define i64 @callee_small_scalar_ret() nounwind { |
| ; RV32I-FPELIM-LABEL: callee_small_scalar_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: lui a0, 466866 |
| ; RV32I-FPELIM-NEXT: addi a0, a0, 1677 |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 287 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_small_scalar_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lui a0, 466866 |
| ; RV32I-WITHFP-NEXT: addi a0, a0, 1677 |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 287 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| ret i64 1234567898765 |
| } |
| |
| define i32 @caller_small_scalar_ret() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_small_scalar_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -16 |
| ; RV32I-FPELIM-NEXT: sw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: sw s1, 8(sp) |
| ; RV32I-FPELIM-NEXT: lui a0, 56 |
| ; RV32I-FPELIM-NEXT: addi s1, a0, 580 |
| ; RV32I-FPELIM-NEXT: call callee_small_scalar_ret |
| ; RV32I-FPELIM-NEXT: xor a1, a1, s1 |
| ; RV32I-FPELIM-NEXT: lui a2, 200614 |
| ; RV32I-FPELIM-NEXT: addi a2, a2, 647 |
| ; RV32I-FPELIM-NEXT: xor a0, a0, a2 |
| ; RV32I-FPELIM-NEXT: or a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: xor a0, a0, zero |
| ; RV32I-FPELIM-NEXT: seqz a0, a0 |
| ; RV32I-FPELIM-NEXT: lw s1, 8(sp) |
| ; RV32I-FPELIM-NEXT: lw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 16 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_small_scalar_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: sw s1, 4(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lui a0, 56 |
| ; RV32I-WITHFP-NEXT: addi s1, a0, 580 |
| ; RV32I-WITHFP-NEXT: call callee_small_scalar_ret |
| ; RV32I-WITHFP-NEXT: xor a1, a1, s1 |
| ; RV32I-WITHFP-NEXT: lui a2, 200614 |
| ; RV32I-WITHFP-NEXT: addi a2, a2, 647 |
| ; RV32I-WITHFP-NEXT: xor a0, a0, a2 |
| ; RV32I-WITHFP-NEXT: or a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: xor a0, a0, zero |
| ; RV32I-WITHFP-NEXT: seqz a0, a0 |
| ; RV32I-WITHFP-NEXT: lw s1, 4(sp) |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call i64 @callee_small_scalar_ret() |
| %2 = icmp eq i64 987654321234567, %1 |
| %3 = zext i1 %2 to i32 |
| ret i32 %3 |
| } |
| |
| ; Check return of 2x xlen structs |
| |
| define %struct.small @callee_small_struct_ret() nounwind { |
| ; RV32I-FPELIM-LABEL: callee_small_struct_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi a0, zero, 1 |
| ; RV32I-FPELIM-NEXT: mv a1, zero |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_small_struct_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: addi a0, zero, 1 |
| ; RV32I-WITHFP-NEXT: mv a1, zero |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| ret %struct.small { i32 1, i32* null } |
| } |
| |
| define i32 @caller_small_struct_ret() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_small_struct_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -16 |
| ; RV32I-FPELIM-NEXT: sw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: call callee_small_struct_ret |
| ; RV32I-FPELIM-NEXT: add a0, a0, a1 |
| ; RV32I-FPELIM-NEXT: lw ra, 12(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 16 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_small_struct_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: call callee_small_struct_ret |
| ; RV32I-WITHFP-NEXT: add a0, a0, a1 |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call %struct.small @callee_small_struct_ret() |
| %2 = extractvalue %struct.small %1, 0 |
| %3 = extractvalue %struct.small %1, 1 |
| %4 = ptrtoint i32* %3 to i32 |
| %5 = add i32 %2, %4 |
| ret i32 %5 |
| } |
| |
| ; Check return of >2x xlen scalars |
| |
| define fp128 @callee_large_scalar_ret() nounwind { |
| ; RV32I-FPELIM-LABEL: callee_large_scalar_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: lui a1, 524272 |
| ; RV32I-FPELIM-NEXT: sw a1, 12(a0) |
| ; RV32I-FPELIM-NEXT: sw zero, 8(a0) |
| ; RV32I-FPELIM-NEXT: sw zero, 4(a0) |
| ; RV32I-FPELIM-NEXT: sw zero, 0(a0) |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_large_scalar_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: lui a1, 524272 |
| ; RV32I-WITHFP-NEXT: sw a1, 12(a0) |
| ; RV32I-WITHFP-NEXT: sw zero, 8(a0) |
| ; RV32I-WITHFP-NEXT: sw zero, 4(a0) |
| ; RV32I-WITHFP-NEXT: sw zero, 0(a0) |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| ret fp128 0xL00000000000000007FFF000000000000 |
| } |
| |
| define void @caller_large_scalar_ret() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_large_scalar_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -32 |
| ; RV32I-FPELIM-NEXT: sw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: mv a0, sp |
| ; RV32I-FPELIM-NEXT: call callee_large_scalar_ret |
| ; RV32I-FPELIM-NEXT: lw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 32 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_large_scalar_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -32 |
| ; RV32I-WITHFP-NEXT: sw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 32 |
| ; RV32I-WITHFP-NEXT: addi a0, s0, -32 |
| ; RV32I-WITHFP-NEXT: call callee_large_scalar_ret |
| ; RV32I-WITHFP-NEXT: lw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 32 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = call fp128 @callee_large_scalar_ret() |
| ret void |
| } |
| |
| ; Check return of >2x xlen structs |
| |
| define void @callee_large_struct_ret(%struct.large* noalias sret %agg.result) nounwind { |
| ; RV32I-FPELIM-LABEL: callee_large_struct_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 2 |
| ; RV32I-FPELIM-NEXT: sw a1, 4(a0) |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 1 |
| ; RV32I-FPELIM-NEXT: sw a1, 0(a0) |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 3 |
| ; RV32I-FPELIM-NEXT: sw a1, 8(a0) |
| ; RV32I-FPELIM-NEXT: addi a1, zero, 4 |
| ; RV32I-FPELIM-NEXT: sw a1, 12(a0) |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: callee_large_struct_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -16 |
| ; RV32I-WITHFP-NEXT: sw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 16 |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 2 |
| ; RV32I-WITHFP-NEXT: sw a1, 4(a0) |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 1 |
| ; RV32I-WITHFP-NEXT: sw a1, 0(a0) |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 3 |
| ; RV32I-WITHFP-NEXT: sw a1, 8(a0) |
| ; RV32I-WITHFP-NEXT: addi a1, zero, 4 |
| ; RV32I-WITHFP-NEXT: sw a1, 12(a0) |
| ; RV32I-WITHFP-NEXT: lw s0, 8(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 12(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 16 |
| ; RV32I-WITHFP-NEXT: ret |
| %a = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 0 |
| store i32 1, i32* %a, align 4 |
| %b = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 1 |
| store i32 2, i32* %b, align 4 |
| %c = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 2 |
| store i32 3, i32* %c, align 4 |
| %d = getelementptr inbounds %struct.large, %struct.large* %agg.result, i32 0, i32 3 |
| store i32 4, i32* %d, align 4 |
| ret void |
| } |
| |
| define i32 @caller_large_struct_ret() nounwind { |
| ; RV32I-FPELIM-LABEL: caller_large_struct_ret: |
| ; RV32I-FPELIM: # %bb.0: |
| ; RV32I-FPELIM-NEXT: addi sp, sp, -32 |
| ; RV32I-FPELIM-NEXT: sw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: addi a0, sp, 8 |
| ; RV32I-FPELIM-NEXT: call callee_large_struct_ret |
| ; RV32I-FPELIM-NEXT: lw a0, 20(sp) |
| ; RV32I-FPELIM-NEXT: lw a1, 8(sp) |
| ; RV32I-FPELIM-NEXT: add a0, a1, a0 |
| ; RV32I-FPELIM-NEXT: lw ra, 28(sp) |
| ; RV32I-FPELIM-NEXT: addi sp, sp, 32 |
| ; RV32I-FPELIM-NEXT: ret |
| ; |
| ; RV32I-WITHFP-LABEL: caller_large_struct_ret: |
| ; RV32I-WITHFP: # %bb.0: |
| ; RV32I-WITHFP-NEXT: addi sp, sp, -32 |
| ; RV32I-WITHFP-NEXT: sw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: sw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: addi s0, sp, 32 |
| ; RV32I-WITHFP-NEXT: addi a0, s0, -24 |
| ; RV32I-WITHFP-NEXT: call callee_large_struct_ret |
| ; RV32I-WITHFP-NEXT: lw a0, -12(s0) |
| ; RV32I-WITHFP-NEXT: lw a1, -24(s0) |
| ; RV32I-WITHFP-NEXT: add a0, a1, a0 |
| ; RV32I-WITHFP-NEXT: lw s0, 24(sp) |
| ; RV32I-WITHFP-NEXT: lw ra, 28(sp) |
| ; RV32I-WITHFP-NEXT: addi sp, sp, 32 |
| ; RV32I-WITHFP-NEXT: ret |
| %1 = alloca %struct.large |
| call void @callee_large_struct_ret(%struct.large* sret %1) |
| %2 = getelementptr inbounds %struct.large, %struct.large* %1, i32 0, i32 0 |
| %3 = load i32, i32* %2 |
| %4 = getelementptr inbounds %struct.large, %struct.large* %1, i32 0, i32 3 |
| %5 = load i32, i32* %4 |
| %6 = add i32 %3, %5 |
| ret i32 %6 |
| } |