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25 lines
660 B
LLVM
25 lines
660 B
LLVM
; NOTE: Assertions have been autogenerated by update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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declare double @fabs(double) readonly
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define double @test(double %X) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: [[Y:%.*]] = fadd double %X, 0.000000e+00
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; CHECK-NEXT: ret double [[Y]]
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;
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%Y = fadd double %X, 0.0 ;; Should be a single add x, 0.0
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%Z = fadd double %Y, 0.0
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ret double %Z
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}
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define double @test1(double %X) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[Y:%.*]] = call double @llvm.fabs.f64(double %X)
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; CHECK-NEXT: ret double [[Y]]
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;
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%Y = call double @fabs(double %X)
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%Z = fadd double %Y, 0.0
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ret double %Z
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}
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