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https://github.com/c64scene-ar/llvm-6502.git
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244455e6d6
Patch by Ana Pazos! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141365 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
406 B
LLVM
17 lines
406 B
LLVM
; RUN: llc < %s -march=arm -mattr=+v4t | FileCheck %s
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;; Integer absolute value, should produce something as good as: ARM:
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;; movs r0, r0
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;; rsbmi r0, r0, #0
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;; bx lr
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define i32 @test(i32 %a) {
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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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; CHECK: movs r0, r0
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; CHECK: rsbmi r0, r0, #0
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; CHECK: bx lr
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}
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