1; RUN: llc -mtriple=i386-apple-darwin -mcpu=yonah < %s | FileCheck %s 2 3declare void @llvm.memset.i32(i8*, i8, i32, i32) nounwind 4 5define fastcc void @t1() nounwind { 6entry: 7; CHECK: t1: 8; CHECK: calll _memset 9 call void @llvm.memset.p0i8.i32(i8* null, i8 0, i32 188, i32 1, i1 false) 10 unreachable 11} 12 13define fastcc void @t2(i8 signext %c) nounwind { 14entry: 15; CHECK: t2: 16; CHECK: calll _memset 17 call void @llvm.memset.p0i8.i32(i8* undef, i8 %c, i32 76, i32 1, i1 false) 18 unreachable 19} 20 21declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind 22 23define void @t3(i8* nocapture %s, i8 %a) nounwind { 24entry: 25 tail call void @llvm.memset.p0i8.i32(i8* %s, i8 %a, i32 8, i32 1, i1 false) 26 ret void 27; CHECK: t3: 28; CHECK: imull $16843009 29} 30 31define void @t4(i8* nocapture %s, i8 %a) nounwind { 32entry: 33 tail call void @llvm.memset.p0i8.i32(i8* %s, i8 %a, i32 15, i32 1, i1 false) 34 ret void 35; CHECK: t4: 36; CHECK: imull $16843009 37; CHECK-NOT: imul 38; CHECK: ret 39} 40