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110 lines
3.4 KiB
110 lines
3.4 KiB
; RUN: opt < %s -dce -S | FileCheck %s
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; RUN: opt < %s -passes=dce -S | FileCheck %s
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declare double @acos(double) nounwind
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declare double @asin(double) nounwind
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declare double @atan(double) nounwind
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declare double @atan2(double, double) nounwind
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declare double @ceil(double) nounwind
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declare double @cos(double) nounwind
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declare double @cosh(double) nounwind
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declare double @exp(double) nounwind
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declare double @exp2(double) nounwind
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declare double @fabs(double) nounwind
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declare double @floor(double) nounwind
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declare double @fmod(double, double) nounwind
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declare double @log(double) nounwind
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declare double @log10(double) nounwind
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declare double @pow(double, double) nounwind
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declare double @sin(double) nounwind
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declare double @sinh(double) nounwind
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declare double @sqrt(double) nounwind
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declare double @tan(double) nounwind
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declare double @tanh(double) nounwind
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declare float @acosf(float) nounwind
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declare float @asinf(float) nounwind
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declare float @atanf(float) nounwind
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declare float @atan2f(float, float) nounwind
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declare float @ceilf(float) nounwind
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declare float @cosf(float) nounwind
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declare float @coshf(float) nounwind
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declare float @expf(float) nounwind
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declare float @exp2f(float) nounwind
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declare float @fabsf(float) nounwind
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declare float @floorf(float) nounwind
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declare float @fmodf(float, float) nounwind
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declare float @logf(float) nounwind
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declare float @log10f(float) nounwind
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declare float @powf(float, float) nounwind
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declare float @sinf(float) nounwind
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declare float @sinhf(float) nounwind
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declare float @sqrtf(float) nounwind
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declare float @tanf(float) nounwind
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declare float @tanhf(float) nounwind
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define void @T() {
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entry:
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; CHECK-LABEL: @T(
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; CHECK-NEXT: entry:
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; log(0) produces a pole error
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; CHECK-NEXT: %log1 = call double @log(double 0.000000e+00)
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%log1 = call double @log(double 0.000000e+00)
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; log(-1) produces a domain error
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; CHECK-NEXT: %log2 = call double @log(double -1.000000e+00)
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%log2 = call double @log(double -1.000000e+00)
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; log(1) is 0
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%log3 = call double @log(double 1.000000e+00)
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; exp(100) is roughly 2.6e+43
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%exp1 = call double @exp(double 1.000000e+02)
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; exp(1000) is a range error
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; CHECK-NEXT: %exp2 = call double @exp(double 1.000000e+03)
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%exp2 = call double @exp(double 1.000000e+03)
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; cos(0) is 1
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%cos1 = call double @cos(double 0.000000e+00)
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; cos(inf) is a domain error
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; CHECK-NEXT: %cos2 = call double @cos(double 0x7FF0000000000000)
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%cos2 = call double @cos(double 0x7FF0000000000000)
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; cos(0) nobuiltin may have side effects
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; CHECK-NEXT: %cos3 = call double @cos(double 0.000000e+00)
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%cos3 = call double @cos(double 0.000000e+00) nobuiltin
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; pow(0, 1) is 0
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%pow1 = call double @pow(double 0x7FF0000000000000, double 1.000000e+00)
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; pow(0, -1) is a pole error
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; FIXME: It fails on mingw host. Suppress checking.
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; %pow2 = call double @pow(double 0.000000e+00, double -1.000000e+00)
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; fmod(inf, nan) is nan
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%fmod1 = call double @fmod(double 0x7FF0000000000000, double 0x7FF0000000000001)
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; fmod(inf, 1) is a domain error
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; CHECK-NEXT: %fmod2 = call double @fmod(double 0x7FF0000000000000, double 1.000000e+00)
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%fmod2 = call double @fmod(double 0x7FF0000000000000, double 1.000000e+00)
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; CHECK-NEXT: ret void
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ret void
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}
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define void @Tstrict() strictfp {
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entry:
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; CHECK-LABEL: @Tstrict(
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; CHECK-NEXT: entry:
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; cos(1) strictfp sets FP status flags
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; CHECK-NEXT: %cos4 = call double @cos(double 1.000000e+00)
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%cos4 = call double @cos(double 1.000000e+00) strictfp
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; CHECK-NEXT: ret void
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ret void
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}
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