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https://github.com/c64scene-ar/llvm-6502.git
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36a0947820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
826 B
LLVM
31 lines
826 B
LLVM
; RUN: llc < %s -march=x86 | FileCheck %s
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define i32 @test1(i32 %x, i32 %n, i32 %w, i32 %v) nounwind readnone {
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entry:
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; CHECK: test1:
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; CHECK: btl
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; CHECK-NEXT: movl $12, %eax
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; CHECK-NEXT: cmovae 16(%esp), %eax
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; CHECK-NEXT: ret
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%0 = lshr i32 %x, %n ; <i32> [#uses=1]
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%1 = and i32 %0, 1 ; <i32> [#uses=1]
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%toBool = icmp eq i32 %1, 0 ; <i1> [#uses=1]
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%.0 = select i1 %toBool, i32 %v, i32 12 ; <i32> [#uses=1]
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ret i32 %.0
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}
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define i32 @test2(i32 %x, i32 %n, i32 %w, i32 %v) nounwind readnone {
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entry:
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; CHECK: test2:
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; CHECK: btl
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; CHECK-NEXT: movl $12, %eax
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; CHECK-NEXT: cmovb 16(%esp), %eax
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; CHECK-NEXT: ret
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%0 = lshr i32 %x, %n ; <i32> [#uses=1]
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%1 = and i32 %0, 1 ; <i32> [#uses=1]
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%toBool = icmp eq i32 %1, 0 ; <i1> [#uses=1]
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%.0 = select i1 %toBool, i32 12, i32 %v ; <i32> [#uses=1]
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ret i32 %.0
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}
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