5091a359d9
C's Annex F specifies that log1p +/-0.0 returns the input value; however, this behavior is optional and host C libraries may behave differently. This change applies the Annex F behavior to constant folding by LLVM.
276 lines
8.1 KiB
LLVM
276 lines
8.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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define float @log1pf_const() {
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; CHECK-LABEL: define float @log1pf_const() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 7.000000e+00)
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; CHECK-NEXT: ret float 0x4000A2B240000000
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;
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%r = call float @log1pf(float 7.000000e+00)
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ret float %r
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}
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define double @log1p_const() {
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; CHECK-LABEL: define double @log1p_const() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 7.000000e+00)
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; CHECK-NEXT: ret double 0x4000A2B23F3BAB73
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;
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%r = call double @log1p(double 7.000000e+00)
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ret double %r
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}
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define float @log1pf_minus_one() {
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; CHECK-LABEL: define float @log1pf_minus_one() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float -1.000000e+00)
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float -1.000000e+00)
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ret float %r
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}
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define double @log1p_minus_one() {
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; CHECK-LABEL: define double @log1p_minus_one() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double -1.000000e+00)
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double -1.000000e+00)
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ret double %r
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}
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define float @log1pf_minus_one_memory_none() {
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; CHECK-LABEL: define float @log1pf_minus_one_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float -1.000000e+00) #[[ATTR0:[0-9]+]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float -1.000000e+00) readnone
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ret float %r
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}
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define double @log1p_minus_one_memory_none() {
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; CHECK-LABEL: define double @log1p_minus_one_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double -1.000000e+00) #[[ATTR0]]
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double -1.000000e+00) readnone
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ret double %r
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}
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define float @log1pf_zero() {
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; CHECK-LABEL: define float @log1pf_zero() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 0.000000e+00)
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; CHECK-NEXT: ret float 0.000000e+00
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;
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%r = call float @log1pf(float 0.000000e+00)
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ret float %r
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}
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define double @log1p_zero() {
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; CHECK-LABEL: define double @log1p_zero() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 0.000000e+00)
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; CHECK-NEXT: ret double 0.000000e+00
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;
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%r = call double @log1p(double 0.000000e+00)
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ret double %r
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}
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define float @log1pf_neg_zero() {
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; CHECK-LABEL: define float @log1pf_neg_zero() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float -0.000000e+00)
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; CHECK-NEXT: ret float -0.000000e+00
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;
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%r = call float @log1pf(float -0.000000e+00)
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ret float %r
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}
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define double @log1p_neg_zero() {
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; CHECK-LABEL: define double @log1p_neg_zero() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double -0.000000e+00)
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; CHECK-NEXT: ret double -0.000000e+00
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;
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%r = call double @log1p(double -0.000000e+00)
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ret double %r
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}
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define float @log1pf_neg1() {
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; CHECK-LABEL: define float @log1pf_neg1() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float -7.000000e+00)
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float -7.000000e+00)
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ret float %r
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}
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define double @log1p_neg1() {
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; CHECK-LABEL: define double @log1p_neg1() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double -7.000000e+00)
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double -7.000000e+00)
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ret double %r
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}
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define float @log1pf_neg1_memory_none() {
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; CHECK-LABEL: define float @log1pf_neg1_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float -7.000000e+00) #[[ATTR0]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float -7.000000e+00) readnone
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ret float %r
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}
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define double @log1p_neg1_memory_none() {
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; CHECK-LABEL: define double @log1p_neg1_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double -7.000000e+00) #[[ATTR0]]
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double -7.000000e+00) readnone
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ret double %r
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}
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define float @log1pf_neg2() {
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; CHECK-LABEL: define float @log1pf_neg2() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float -5.000000e-01)
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; CHECK-NEXT: ret float 0xBFE62E4300000000
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;
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%r = call float @log1pf(float -5.000000e-01)
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ret float %r
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}
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define double @log1p_neg2() {
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; CHECK-LABEL: define double @log1p_neg2() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double -5.000000e-01)
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; CHECK-NEXT: ret double 0xBFE62E42FEFA39EF
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;
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%r = call double @log1p(double -5.000000e-01)
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ret double %r
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}
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define float @log1pf_inf() {
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; CHECK-LABEL: define float @log1pf_inf() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 0x7FF0000000000000)
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float 0x7FF0000000000000)
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ret float %r
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}
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define double @log1p_inf() {
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; CHECK-LABEL: define double @log1p_inf() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 0x7FF0000000000000)
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double 0x7FF0000000000000)
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ret double %r
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}
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define float @log1pf_inf_memory_none() {
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; CHECK-LABEL: define float @log1pf_inf_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 0x7FF0000000000000) #[[ATTR0]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float 0x7FF0000000000000) readnone
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ret float %r
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}
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define double @log1p_inf_memory_none() {
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; CHECK-LABEL: define double @log1p_inf_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 0x7FF0000000000000) #[[ATTR0]]
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double 0x7FF0000000000000) readnone
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ret double %r
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}
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define float @log1pf_neg_inf() {
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; CHECK-LABEL: define float @log1pf_neg_inf() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 0xFFF0000000000000)
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float 0xFFF0000000000000)
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ret float %r
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}
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define double @log1p_neg_inf() {
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; CHECK-LABEL: define double @log1p_neg_inf() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 0xFFF0000000000000)
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double 0xFFF0000000000000)
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ret double %r
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}
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define float @log1pf_neg_inf_memory_none() {
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; CHECK-LABEL: define float @log1pf_neg_inf_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 0xFFF0000000000000) #[[ATTR0]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float 0xFFF0000000000000) readnone
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ret float %r
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}
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define double @log1p_neg_inf_memory_none() {
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; CHECK-LABEL: define double @log1p_neg_inf_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 0xFFF0000000000000) #[[ATTR0]]
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double 0xFFF0000000000000) readnone
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ret double %r
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}
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define float @log1pf_nan() {
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; CHECK-LABEL: define float @log1pf_nan() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 0x7FF8000000000000)
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float 0x7FF8000000000000)
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ret float %r
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}
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define double @log1p_nan() {
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; CHECK-LABEL: define double @log1p_nan() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 0x7FF8000000000000)
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double 0x7FF8000000000000)
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ret double %r
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}
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define float @log1pf_nan_memory_none() {
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; CHECK-LABEL: define float @log1pf_nan_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float 0x7FF8000000000000) #[[ATTR0]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float 0x7FF8000000000000) readnone
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ret float %r
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}
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define double @log1p_nan_memory_none() {
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; CHECK-LABEL: define double @log1p_nan_memory_none() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double 0x7FF8000000000000) #[[ATTR0]]
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double 0x7FF8000000000000) readnone
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ret double %r
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}
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define float @log1pf_poison() {
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; CHECK-LABEL: define float @log1pf_poison() {
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; CHECK-NEXT: [[R:%.*]] = call float @log1pf(float poison)
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; CHECK-NEXT: ret float [[R]]
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;
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%r = call float @log1pf(float poison)
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ret float %r
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}
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define double @log1p_poison() {
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; CHECK-LABEL: define double @log1p_poison() {
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; CHECK-NEXT: [[R:%.*]] = call double @log1p(double poison)
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; CHECK-NEXT: ret double [[R]]
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;
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%r = call double @log1p(double poison)
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ret double %r
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}
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declare float @log1pf(float)
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declare double @log1p(double)
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