32 lines
1.0 KiB
LLVM
32 lines
1.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s
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; Make sure that we are zeroing one memory location at a time using xorl and
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; not both using XMM registers.
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define i32 @foo (i64* %so) nounwind uwtable ssp {
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; CHECK-LABEL: foo:
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; CHECK: # BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl $0, 28(%eax)
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; CHECK-NEXT: movl $0, 24(%eax)
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; CHECK-NEXT: movl 20(%eax), %ecx
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; CHECK-NEXT: movl $0, 20(%eax)
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; CHECK-NEXT: xorl %edx, %edx
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; CHECK-NEXT: cmpl 16(%eax), %edx
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; CHECK-NEXT: movl $0, 16(%eax)
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; CHECK-NEXT: sbbl %ecx, %edx
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; CHECK-NEXT: setl %al
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; CHECK-NEXT: movzbl %al, %eax
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; CHECK-NEXT: negl %eax
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; CHECK-NEXT: retl
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%used = getelementptr inbounds i64, i64* %so, i32 3
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store i64 0, i64* %used, align 8
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%fill = getelementptr inbounds i64, i64* %so, i32 2
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%L = load i64, i64* %fill, align 8
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store i64 0, i64* %fill, align 8
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%cmp28 = icmp sgt i64 %L, 0
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%R = sext i1 %cmp28 to i32
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ret i32 %R
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}
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