22 lines
628 B
LLVM
22 lines
628 B
LLVM
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; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s
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; TODO: (zext(select c, load1, load2)) -> (select c, zextload1, zextload2)
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; CHECK-LABEL: foo
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; CHECK: movzbl (%rdi), %eax
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; CHECK-NEXT: movzbl 1(%rdi), %ecx
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; CHECK-NEXT: testl %esi, %esi
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; CHECK-NEXT: cmovel %eax, %ecx
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; CHECK-NEXT: movzbl %cl, %eax
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; CHECK-NEXT: retq
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define i64 @foo(i8* %p, i1 zeroext %c) {
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%ld1 = load volatile i8, i8* %p
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%arrayidx1 = getelementptr inbounds i8, i8* %p, i64 1
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%ld2 = load volatile i8, i8* %arrayidx1
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%cond.v = select i1 %c, i8 %ld2, i8 %ld1
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%cond = zext i8 %cond.v to i64
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ret i64 %cond
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}
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