1; RUN: llc -O1 -mtriple=x86_64-unknown-linux-gnu -mcpu=core2 -relocation-model=pic -disable-fp-elim < %s | FileCheck %s 2; <rdar://problem/8124405> 3 4%struct.type = type { %struct.subtype*, i32, i8, i32, i8, i32, i32, i32, i32, i32, i8, i32, i32, i32, i32, i32, [256 x i32], i32, [257 x i32], [257 x i32], i32*, i16*, i8*, i32, i32, i32, i32, i32, [256 x i8], [16 x i8], [256 x i8], [4096 x i8], [16 x i32], [18002 x i8], [18002 x i8], [6 x [258 x i8]], [6 x [258 x i32]], [6 x [258 x i32]], [6 x [258 x i32]], [6 x i32], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32*, i32*, i32* } 5%struct.subtype = type { i8*, i32, i32, i32, i8*, i32, i32, i32, i8*, i8* (i8*, i32, i32)*, void (i8*, i8*)*, i8* } 6 7define i32 @func(%struct.type* %s) nounwind optsize ssp { 8entry: 9 %tmp1 = getelementptr inbounds %struct.type* %s, i32 0, i32 1 10 %tmp2 = load i32* %tmp1, align 8 11 %tmp3 = icmp eq i32 %tmp2, 10 12 %tmp4 = getelementptr inbounds %struct.type* %s, i32 0, i32 40 13 br i1 %tmp3, label %bb, label %entry.bb1_crit_edge 14 15entry.bb1_crit_edge: 16 br label %bb1 17 18bb: 19 20; The point of this code is that %rdi is set to %rdi+64036 for the rep;stosl 21; statement. It can be an ADD or LEA instruction, it's not important which one 22; it is. 23; 24; CHECK: # %bb 25; CHECK: leaq 64036(%rdx), %rdi 26; CHECK: rep;stosl 27 28 %tmp5 = bitcast i32* %tmp4 to i8* 29 call void @llvm.memset.p0i8.i64(i8* %tmp5, i8 0, i64 84, i32 4, i1 false) 30 %tmp6 = getelementptr inbounds %struct.type* %s, i32 0, i32 62 31 store i32* null, i32** %tmp6, align 8 32 br label %bb1 33 34bb1: 35 store i32 10, i32* %tmp1, align 8 36 ret i32 42 37} 38 39declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind 40