27 lines
786 B
LLVM
27 lines
786 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
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; PR13504
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; RUN: llc -mtriple=i686-- -mcpu=atom < %s | FileCheck %s
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; Check that treemap is read before the asm statement.
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define i32 @foo(i32 %treemap) nounwind {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushl %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl %eax, %ecx
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; CHECK-NEXT: negl %ecx
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; CHECK-NEXT: andl %eax, %ecx
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; CHECK-NEXT: movl %ecx, (%esp)
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; CHECK-NEXT: #APP
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; CHECK-NEXT: bsfl (%esp), %eax
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: popl %ecx
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; CHECK-NEXT: retl
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entry:
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%sub = sub i32 0, %treemap
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%and = and i32 %treemap, %sub
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%0 = call i32 asm "bsfl $1,$0", "=r,rm"(i32 %and)
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ret i32 %0
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}
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