1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-unknown -mcpu=pentium4 | FileCheck %s 3 4%struct.Foo = type { i32, %struct.Bar } 5%struct.Bar = type { i32, %struct.Buffer, i32 } 6%struct.Buffer = type { i8*, i32 } 7 8; This test checks that the load of store %2 is not dropped. 9; 10define i32 @pr34088() local_unnamed_addr { 11; CHECK-LABEL: pr34088: 12; CHECK: # %bb.0: # %entry 13; CHECK-NEXT: pushl %ebp 14; CHECK-NEXT: .cfi_def_cfa_offset 8 15; CHECK-NEXT: .cfi_offset %ebp, -8 16; CHECK-NEXT: movl %esp, %ebp 17; CHECK-NEXT: .cfi_def_cfa_register %ebp 18; CHECK-NEXT: andl $-16, %esp 19; CHECK-NEXT: subl $32, %esp 20; CHECK-NEXT: xorps %xmm0, %xmm0 21; CHECK-NEXT: movaps {{.*#+}} xmm1 = [205,205,205,205,205,205,205,205,205,205,205,205,205,205,205,205] 22; CHECK-NEXT: xorl %eax, %eax 23; CHECK-NEXT: movaps %xmm0, (%esp) 24; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero 25; CHECK-NEXT: movl $-842150451, {{[0-9]+}}(%esp) # imm = 0xCDCDCDCD 26; CHECK-NEXT: movaps %xmm1, (%esp) 27; CHECK-NEXT: movsd %xmm0, {{[0-9]+}}(%esp) 28; CHECK-NEXT: movl %ebp, %esp 29; CHECK-NEXT: popl %ebp 30; CHECK-NEXT: .cfi_def_cfa %esp, 4 31; CHECK-NEXT: retl 32entry: 33 %foo = alloca %struct.Foo, align 4 34 %0 = bitcast %struct.Foo* %foo to i8* 35 call void @llvm.memset.p0i8.i32(i8* align 4 nonnull %0, i8 0, i32 20, i1 false) 36 %buffer1 = getelementptr inbounds %struct.Foo, %struct.Foo* %foo, i32 0, i32 1, i32 1 37 %1 = bitcast %struct.Buffer* %buffer1 to i64* 38 %2 = load i64, i64* %1, align 4 39 call void @llvm.memset.p0i8.i32(i8* align 4 nonnull %0, i8 -51, i32 20, i1 false) 40 store i64 %2, i64* %1, align 4 41 ret i32 0 42} 43 44declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1) 45