| ; RUN: llc < %s -march=mips64 -target-abi n64 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEB |
| ; RUN: llc < %s -march=mips64el -target-abi n64 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEL |
| ; RUN: llc < %s -march=mips64 -target-abi n32 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEB |
| ; RUN: llc < %s -march=mips64el -target-abi n32 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEL |
| |
| ; #include <stdio.h> |
| ; |
| ; struct S1 { |
| ; char x1; |
| ; short x2; |
| ; char x3; |
| ; }; |
| ; |
| ; struct S2 { |
| ; char x1; |
| ; char x2; |
| ; char x3; |
| ; char x4; |
| ; char x5; |
| ; }; |
| ; |
| ; void fS1(struct S1 s); |
| ; void fS2(struct S2 s); |
| ; |
| ; void f1() { |
| ; struct S1 s1_1; |
| ; fS1(s1_1); |
| ; } |
| ; |
| ; void f2() { |
| ; struct S2 s2_1; |
| ; fS2(s2_1); |
| ; } |
| ; |
| ; int main() { |
| ; f1(); |
| ; f2(); |
| ; } |
| |
| %struct.S1 = type { i8, i16, i8 } |
| %struct.S2 = type { i8, i8, i8, i8, i8 } |
| |
| declare void @fS1(i48 inreg) #1 |
| declare void @fS2(i40 inreg) #1 |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2 |
| |
| define void @f1() #0 { |
| entry: |
| %s1_1 = alloca %struct.S1, align 2 |
| %s1_1.coerce = alloca { i48 } |
| %0 = bitcast { i48 }* %s1_1.coerce to i8* |
| %1 = bitcast %struct.S1* %s1_1 to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 6, i1 false) |
| %2 = getelementptr { i48 }, { i48 }* %s1_1.coerce, i32 0, i32 0 |
| %3 = load i48, i48* %2, align 1 |
| call void @fS1(i48 inreg %3) |
| ret void |
| ; ALL-LABEL: f1: |
| |
| ; MIPSEB: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16 |
| ; MIPSEL-NOT: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16 |
| } |
| |
| define void @f2() #0 { |
| entry: |
| %s2_1 = alloca %struct.S2, align 1 |
| %s2_1.coerce = alloca { i40 } |
| %0 = bitcast { i40 }* %s2_1.coerce to i8* |
| %1 = bitcast %struct.S2* %s2_1 to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 5, i1 false) |
| %2 = getelementptr { i40 }, { i40 }* %s2_1.coerce, i32 0, i32 0 |
| %3 = load i40, i40* %2, align 1 |
| call void @fS2(i40 inreg %3) |
| ret void |
| ; ALL-LABEL: f2: |
| |
| ; MIPSEB: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 24 |
| ; MIPSEL-NOT: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 24 |
| } |