; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown -mcpu=pentium4 | FileCheck %s %struct.Foo = type { i32, %struct.Bar } %struct.Bar = type { i32, %struct.Buffer, i32 } %struct.Buffer = type { i8*, i32 } ; This test checks that the load of store %2 is not dropped. ; define i32 @pr34088() local_unnamed_addr { ; CHECK-LABEL: pr34088: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushl %ebp ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: .cfi_offset %ebp, -8 ; CHECK-NEXT: movl %esp, %ebp ; CHECK-NEXT: .cfi_def_cfa_register %ebp ; CHECK-NEXT: andl $-16, %esp ; CHECK-NEXT: subl $32, %esp ; CHECK-NEXT: xorps %xmm0, %xmm0 ; CHECK-NEXT: movaps {{.*#+}} xmm1 = [205,205,205,205,205,205,205,205,205,205,205,205,205,205,205,205] ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: movaps %xmm0, (%esp) ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero ; CHECK-NEXT: movl $-842150451, {{[0-9]+}}(%esp) # imm = 0xCDCDCDCD ; CHECK-NEXT: movaps %xmm1, (%esp) ; CHECK-NEXT: movsd %xmm0, {{[0-9]+}}(%esp) ; CHECK-NEXT: movl %ebp, %esp ; CHECK-NEXT: popl %ebp ; CHECK-NEXT: .cfi_def_cfa %esp, 4 ; CHECK-NEXT: retl entry: %foo = alloca %struct.Foo, align 4 %0 = bitcast %struct.Foo* %foo to i8* call void @llvm.memset.p0i8.i32(i8* align 4 nonnull %0, i8 0, i32 20, i1 false) %buffer1 = getelementptr inbounds %struct.Foo, %struct.Foo* %foo, i32 0, i32 1, i32 1 %1 = bitcast %struct.Buffer* %buffer1 to i64* %2 = load i64, i64* %1, align 4 call void @llvm.memset.p0i8.i32(i8* align 4 nonnull %0, i8 -51, i32 20, i1 false) store i64 %2, i64* %1, align 4 ret i32 0 } declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1)