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https://github.com/c64scene-ar/llvm-6502.git
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b1e1e82c54
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
623 B
LLVM
15 lines
623 B
LLVM
; This is the sequence of stuff that the Java front-end expands for a single
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; <= comparison. Check to make sure we turn it into a <= (only)
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; RUN: opt %s -instcombine | llvm-dis | grep {%c3 = icmp sle i32 %A, %B}
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define i1 @le(i32 %A, i32 %B) {
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%c1 = icmp sgt i32 %A, %B ; <i1> [#uses=1]
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%tmp = select i1 %c1, i32 1, i32 0 ; <i32> [#uses=1]
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%c2 = icmp slt i32 %A, %B ; <i1> [#uses=1]
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%result = select i1 %c2, i32 -1, i32 %tmp ; <i32> [#uses=1]
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%c3 = icmp sle i32 %result, 0 ; <i1> [#uses=1]
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ret i1 %c3
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}
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