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| ; 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)
|