forked from OSchip/llvm-project
338 lines
10 KiB
LLVM
338 lines
10 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s --check-prefixes=ANY,NO-FLOAT-SHRINK
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; RUN: opt < %s -instcombine -enable-double-float-shrink -S | FileCheck %s --check-prefixes=ANY,DO-FLOAT-SHRINK
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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declare double @cos(double)
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declare double @llvm.cos.f64(double)
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declare float @cosf(float)
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declare float @llvm.cos.f32(float)
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declare double @sin(double)
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declare double @llvm.sin.f64(double)
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declare float @sinf(float)
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declare float @llvm.sin.f32(float)
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declare double @tan(double)
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declare fp128 @tanl(fp128)
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; cos(-x) -> cos(x);
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define double @cos_negated_arg(double %x) {
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; ANY-LABEL: @cos_negated_arg(
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; ANY-NEXT: [[COS:%.*]] = call double @cos(double [[X:%.*]])
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; ANY-NEXT: ret double [[COS]]
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;
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%neg = fsub double -0.0, %x
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%r = call double @cos(double %neg)
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ret double %r
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}
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define double @cos_unary_negated_arg(double %x) {
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; ANY-LABEL: @cos_unary_negated_arg(
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; ANY-NEXT: [[COS:%.*]] = call double @cos(double [[X:%.*]])
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; ANY-NEXT: ret double [[COS]]
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;
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%neg = fneg double %x
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%r = call double @cos(double %neg)
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ret double %r
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}
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define float @cosf_negated_arg(float %x) {
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; ANY-LABEL: @cosf_negated_arg(
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; ANY-NEXT: [[COS:%.*]] = call float @cosf(float [[X:%.*]])
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; ANY-NEXT: ret float [[COS]]
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;
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%neg = fsub float -0.0, %x
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%r = call float @cosf(float %neg)
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ret float %r
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}
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define float @cosf_unary_negated_arg(float %x) {
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; ANY-LABEL: @cosf_unary_negated_arg(
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; ANY-NEXT: [[COS:%.*]] = call float @cosf(float [[X:%.*]])
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; ANY-NEXT: ret float [[COS]]
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;
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%neg = fneg float %x
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%r = call float @cosf(float %neg)
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ret float %r
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}
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define float @cosf_negated_arg_FMF(float %x) {
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; ANY-LABEL: @cosf_negated_arg_FMF(
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; ANY-NEXT: [[COS:%.*]] = call reassoc nnan float @cosf(float [[X:%.*]])
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; ANY-NEXT: ret float [[COS]]
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;
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%neg = fsub float -0.0, %x
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%r = call nnan reassoc float @cosf(float %neg)
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ret float %r
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}
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define float @cosf_unary_negated_arg_FMF(float %x) {
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; ANY-LABEL: @cosf_unary_negated_arg_FMF(
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; ANY-NEXT: [[COS:%.*]] = call reassoc nnan float @cosf(float [[X:%.*]])
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; ANY-NEXT: ret float [[COS]]
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;
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%neg = fneg float %x
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%r = call nnan reassoc float @cosf(float %neg)
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ret float %r
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}
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; sin(-x) -> -sin(x);
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define double @sin_negated_arg(double %x) {
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; ANY-LABEL: @sin_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @sin(double [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub double -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret double [[TMP2]]
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;
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%neg = fsub double -0.0, %x
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%r = call double @sin(double %neg)
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ret double %r
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}
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define double @sin_unary_negated_arg(double %x) {
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; ANY-LABEL: @sin_unary_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @sin(double [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub double -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret double [[TMP2]]
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;
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%neg = fneg double %x
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%r = call double @sin(double %neg)
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ret double %r
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}
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define float @sinf_negated_arg(float %x) {
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; ANY-LABEL: @sinf_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call float @sinf(float [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub float -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret float [[TMP2]]
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;
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%neg = fsub float -0.0, %x
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%r = call float @sinf(float %neg)
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ret float %r
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}
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define float @sinf_unary_negated_arg(float %x) {
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; ANY-LABEL: @sinf_unary_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call float @sinf(float [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub float -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret float [[TMP2]]
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;
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%neg = fneg float %x
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%r = call float @sinf(float %neg)
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ret float %r
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}
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define float @sinf_negated_arg_FMF(float %x) {
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; ANY-LABEL: @sinf_negated_arg_FMF(
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; ANY-NEXT: [[TMP1:%.*]] = call nnan afn float @sinf(float [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub nnan afn float -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret float [[TMP2]]
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;
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%neg = fsub ninf float -0.0, %x
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%r = call afn nnan float @sinf(float %neg)
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ret float %r
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}
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define float @sinf_unary_negated_arg_FMF(float %x) {
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; ANY-LABEL: @sinf_unary_negated_arg_FMF(
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; ANY-NEXT: [[TMP1:%.*]] = call nnan afn float @sinf(float [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub nnan afn float -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret float [[TMP2]]
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;
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%neg = fneg ninf float %x
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%r = call afn nnan float @sinf(float %neg)
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ret float %r
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}
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declare void @use(double)
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define double @sin_negated_arg_extra_use(double %x) {
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; ANY-LABEL: @sin_negated_arg_extra_use(
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; ANY-NEXT: [[NEG:%.*]] = fsub double -0.000000e+00, [[X:%.*]]
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; ANY-NEXT: [[R:%.*]] = call double @sin(double [[NEG]])
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; ANY-NEXT: call void @use(double [[NEG]])
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; ANY-NEXT: ret double [[R]]
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;
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%neg = fsub double -0.0, %x
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%r = call double @sin(double %neg)
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call void @use(double %neg)
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ret double %r
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}
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define double @sin_unary_negated_arg_extra_use(double %x) {
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; ANY-LABEL: @sin_unary_negated_arg_extra_use(
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; ANY-NEXT: [[NEG:%.*]] = fneg double [[X:%.*]]
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; ANY-NEXT: [[R:%.*]] = call double @sin(double [[NEG]])
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; ANY-NEXT: call void @use(double [[NEG]])
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; ANY-NEXT: ret double [[R]]
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;
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%neg = fneg double %x
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%r = call double @sin(double %neg)
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call void @use(double %neg)
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ret double %r
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}
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; -sin(-x) --> sin(x)
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; PR38458: https://bugs.llvm.org/show_bug.cgi?id=38458
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define double @neg_sin_negated_arg(double %x) {
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; ANY-LABEL: @neg_sin_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @sin(double [[X:%.*]])
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; ANY-NEXT: ret double [[TMP1]]
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;
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%neg = fsub double -0.0, %x
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%r = call double @sin(double %neg)
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%rn = fsub double -0.0, %r
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ret double %rn
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}
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define double @unary_neg_sin_unary_negated_arg(double %x) {
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; ANY-LABEL: @unary_neg_sin_unary_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @sin(double [[X:%.*]])
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; ANY-NEXT: ret double [[TMP1]]
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;
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%neg = fneg double %x
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%r = call double @sin(double %neg)
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%rn = fneg double %r
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ret double %rn
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}
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define double @neg_sin_unary_negated_arg(double %x) {
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; ANY-LABEL: @neg_sin_unary_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @sin(double [[X:%.*]])
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; ANY-NEXT: ret double [[TMP1]]
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;
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%neg = fsub double -0.0, %x
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%r = call double @sin(double %neg)
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%rn = fneg double %r
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ret double %rn
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}
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define double @unary_neg_sin_negated_arg(double %x) {
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; ANY-LABEL: @unary_neg_sin_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @sin(double [[X:%.*]])
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; ANY-NEXT: ret double [[TMP1]]
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;
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%neg = fneg double %x
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%r = call double @sin(double %neg)
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%rn = fsub double -0.0, %r
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ret double %rn
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}
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; tan(-x) -> -tan(x);
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define double @tan_negated_arg(double %x) {
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; ANY-LABEL: @tan_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @tan(double [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub double -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret double [[TMP2]]
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;
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%neg = fsub double -0.0, %x
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%r = call double @tan(double %neg)
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ret double %r
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}
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define double @tan_unary_negated_arg(double %x) {
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; ANY-LABEL: @tan_unary_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call double @tan(double [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub double -0.000000e+00, [[TMP1]]
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; ANY-NEXT: ret double [[TMP2]]
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;
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%neg = fneg double %x
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%r = call double @tan(double %neg)
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ret double %r
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}
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; tanl(-x) -> -tanl(x);
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define fp128 @tanl_negated_arg(fp128 %x) {
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; ANY-LABEL: @tanl_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call fp128 @tanl(fp128 [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub fp128 0xL00000000000000008000000000000000, [[TMP1]]
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; ANY-NEXT: ret fp128 [[TMP2]]
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;
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%neg = fsub fp128 0xL00000000000000008000000000000000, %x
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%r = call fp128 @tanl(fp128 %neg)
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ret fp128 %r
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}
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define fp128 @tanl_unary_negated_arg(fp128 %x) {
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; ANY-LABEL: @tanl_unary_negated_arg(
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; ANY-NEXT: [[TMP1:%.*]] = call fp128 @tanl(fp128 [[X:%.*]])
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; ANY-NEXT: [[TMP2:%.*]] = fsub fp128 0xL00000000000000008000000000000000, [[TMP1]]
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; ANY-NEXT: ret fp128 [[TMP2]]
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;
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%neg = fneg fp128 %x
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%r = call fp128 @tanl(fp128 %neg)
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ret fp128 %r
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}
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define float @negated_and_shrinkable_libcall(float %f) {
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; NO-FLOAT-SHRINK-LABEL: @negated_and_shrinkable_libcall(
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; NO-FLOAT-SHRINK-NEXT: [[CONV1:%.*]] = fpext float [[F:%.*]] to double
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; NO-FLOAT-SHRINK-NEXT: [[COS1:%.*]] = call double @cos(double [[CONV1]])
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; NO-FLOAT-SHRINK-NEXT: [[CONV2:%.*]] = fptrunc double [[COS1]] to float
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; NO-FLOAT-SHRINK-NEXT: ret float [[CONV2]]
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;
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; DO-FLOAT-SHRINK-LABEL: @negated_and_shrinkable_libcall(
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; DO-FLOAT-SHRINK-NEXT: [[COSF:%.*]] = call float @cosf(float [[F:%.*]])
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; DO-FLOAT-SHRINK-NEXT: ret float [[COSF]]
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;
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%conv1 = fpext float %f to double
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%neg = fsub double -0.0, %conv1
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%cos = call double @cos(double %neg)
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%conv2 = fptrunc double %cos to float
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ret float %conv2
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}
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define float @unary_negated_and_shrinkable_libcall(float %f) {
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; NO-FLOAT-SHRINK-LABEL: @unary_negated_and_shrinkable_libcall(
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; NO-FLOAT-SHRINK-NEXT: [[CONV1:%.*]] = fpext float [[F:%.*]] to double
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; NO-FLOAT-SHRINK-NEXT: [[COS1:%.*]] = call double @cos(double [[CONV1]])
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; NO-FLOAT-SHRINK-NEXT: [[CONV2:%.*]] = fptrunc double [[COS1]] to float
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; NO-FLOAT-SHRINK-NEXT: ret float [[CONV2]]
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;
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; DO-FLOAT-SHRINK-LABEL: @unary_negated_and_shrinkable_libcall(
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; DO-FLOAT-SHRINK-NEXT: [[COSF:%.*]] = call float @cosf(float [[F:%.*]])
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; DO-FLOAT-SHRINK-NEXT: ret float [[COSF]]
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;
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%conv1 = fpext float %f to double
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%neg = fneg double %conv1
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%cos = call double @cos(double %neg)
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%conv2 = fptrunc double %cos to float
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ret float %conv2
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}
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; TODO: It was ok to shrink the libcall, so the intrinsic should shrink too?
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define float @negated_and_shrinkable_intrinsic(float %f) {
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; ANY-LABEL: @negated_and_shrinkable_intrinsic(
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; ANY-NEXT: [[CONV1:%.*]] = fpext float [[F:%.*]] to double
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; ANY-NEXT: [[COS:%.*]] = call double @llvm.cos.f64(double [[CONV1]])
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; ANY-NEXT: [[CONV2:%.*]] = fptrunc double [[COS]] to float
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; ANY-NEXT: ret float [[CONV2]]
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;
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%conv1 = fpext float %f to double
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%neg = fsub double -0.0, %conv1
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%cos = call double @llvm.cos.f64(double %neg)
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%conv2 = fptrunc double %cos to float
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ret float %conv2
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}
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define float @unary_negated_and_shrinkable_intrinsic(float %f) {
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; ANY-LABEL: @unary_negated_and_shrinkable_intrinsic(
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; ANY-NEXT: [[CONV1:%.*]] = fpext float [[F:%.*]] to double
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; ANY-NEXT: [[COS:%.*]] = call double @llvm.cos.f64(double [[CONV1]])
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; ANY-NEXT: [[CONV2:%.*]] = fptrunc double [[COS]] to float
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; ANY-NEXT: ret float [[CONV2]]
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;
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%conv1 = fpext float %f to double
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%neg = fneg double %conv1
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%cos = call double @llvm.cos.f64(double %neg)
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%conv2 = fptrunc double %cos to float
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ret float %conv2
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}
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