| ; RUN: llc %s -mattr=+avx -o - | FileCheck %s |
| ; Originally from http://llvm.org/PR21743. |
| |
| target triple = "x86_64-pc-win32-elf" |
| |
| ; Copy propagation may remove COPYs if the result is only used by undef |
| ; operands. |
| ; |
| ; CHECK-LABEL: foo: |
| ; CHECK: movl $339752784, %e[[INDIRECT_CALL1:[a-z]+]] |
| ; CHECK: callq *%r[[INDIRECT_CALL1]] |
| ; Copy the result in a temporary. |
| ; Note: Technically the regalloc could have been smarter and this move not |
| ; required, which would have hidden the bug. |
| ; CHECK: vmovapd %xmm0, [[TMP:%xmm[0-9]+]] |
| ; CHECK-NOT: vxorps %xmm0, %xmm0, %xmm0 |
| ; CHECK-NEXT: vcvtsi2sdq %rsi, %xmm0, %xmm6 |
| ; CHECK: movl $339772768, %e[[INDIRECT_CALL2:[a-z]+]] |
| ; CHECK-NOT: vmovapd %xmm7, %xmm0 |
| ; CHECK-NEXT: vmovapd %xmm6, %xmm1 |
| ; Set TMP in the first argument of the second call. |
| ; CHECK_NEXT: callq *%r[[INDIRECT_CALL2]] |
| ; CHECK: retq |
| define double @foo(i64 %arg) { |
| top: |
| %tmp = call double inttoptr (i64 339752784 to double (double, double)*)(double 1.000000e+00, double 0.000000e+00) |
| tail call void asm sideeffect "", "x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{dirflag},~{fpsr},~{flags}"(double %tmp) |
| %tmp1 = sitofp i64 %arg to double |
| call void inttoptr (i64 339772768 to void (double, double)*)(double %tmp, double %tmp1) |
| %tmp3 = fadd double %tmp1, %tmp |
| ret double %tmp3 |
| } |
