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https://github.com/c64scene-ar/llvm-6502.git
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1d3863fdbc
EH info for these functions causes the tests to fail for random reasons (e.g. looking for 'or' or counting lines with asm-printer; labels count as lines.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49003 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
492 B
LLVM
18 lines
492 B
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 -stats |& \
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; RUN: grep {6 .*Number of machine instrs printed}
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;; Integer absolute value, should produce something at least as good as:
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;; movl %edi, %eax
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;; sarl $31, %eax
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;; addl %eax, %edi
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;; xorl %eax, %edi
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;; movl %edi, %eax
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;; ret
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define i32 @test(i32 %a) nounwind {
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%tmp1neg = sub i32 0, %a
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%b = icmp sgt i32 %a, -1
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%abs = select i1 %b, i32 %a, i32 %tmp1neg
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ret i32 %abs
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}
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