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cfa8c0c052
This is still unsafe for long double, we will transform things into tanl even if tanl is for another type. But that's for someone else to fix. llvm-svn: 342542
132 lines
4.8 KiB
LLVM
132 lines
4.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instcombine < %s | FileCheck %s
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define double @fdiv_cos_sin(double %a) {
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; CHECK-LABEL: @fdiv_cos_sin(
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; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.cos.f64(double [[A:%.*]])
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; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.sin.f64(double [[A]])
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; CHECK-NEXT: [[DIV:%.*]] = fdiv double [[TMP1]], [[TMP2]]
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; CHECK-NEXT: ret double [[DIV]]
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;
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%1 = call double @llvm.cos.f64(double %a)
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%2 = call double @llvm.sin.f64(double %a)
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%div = fdiv double %1, %2
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ret double %div
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}
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define double @fdiv_strict_cos_strict_sin_reassoc(double %a) {
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; CHECK-LABEL: @fdiv_strict_cos_strict_sin_reassoc(
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; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.cos.f64(double [[A:%.*]])
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; CHECK-NEXT: [[TMP2:%.*]] = call reassoc double @llvm.sin.f64(double [[A]])
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; CHECK-NEXT: [[DIV:%.*]] = fdiv double [[TMP1]], [[TMP2]]
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; CHECK-NEXT: ret double [[DIV]]
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;
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%1 = call double @llvm.cos.f64(double %a)
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%2 = call reassoc double @llvm.sin.f64(double %a)
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%div = fdiv double %1, %2
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ret double %div
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}
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define double @fdiv_reassoc_cos_strict_sin_strict(double %a, i32* dereferenceable(2) %dummy) {
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; CHECK-LABEL: @fdiv_reassoc_cos_strict_sin_strict(
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; CHECK-NEXT: [[TAN:%.*]] = call reassoc double @tan(double [[A:%.*]]) #1
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; CHECK-NEXT: [[TMP1:%.*]] = fdiv reassoc double 1.000000e+00, [[TAN]]
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; CHECK-NEXT: ret double [[TMP1]]
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;
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%1 = call double @llvm.cos.f64(double %a)
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%2 = call double @llvm.sin.f64(double %a)
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%div = fdiv reassoc double %1, %2
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ret double %div
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}
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define double @fdiv_reassoc_cos_reassoc_sin_strict(double %a) {
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; CHECK-LABEL: @fdiv_reassoc_cos_reassoc_sin_strict(
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; CHECK-NEXT: [[TAN:%.*]] = call reassoc double @tan(double [[A:%.*]]) #1
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; CHECK-NEXT: [[TMP1:%.*]] = fdiv reassoc double 1.000000e+00, [[TAN]]
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; CHECK-NEXT: ret double [[TMP1]]
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;
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%1 = call reassoc double @llvm.cos.f64(double %a)
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%2 = call double @llvm.sin.f64(double %a)
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%div = fdiv reassoc double %1, %2
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ret double %div
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}
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define double @fdiv_cos_sin_reassoc_multiple_uses(double %a) {
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; CHECK-LABEL: @fdiv_cos_sin_reassoc_multiple_uses(
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; CHECK-NEXT: [[TMP1:%.*]] = call reassoc double @llvm.cos.f64(double [[A:%.*]])
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; CHECK-NEXT: [[TMP2:%.*]] = call reassoc double @llvm.sin.f64(double [[A]])
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; CHECK-NEXT: [[DIV:%.*]] = fdiv reassoc double [[TMP1]], [[TMP2]]
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; CHECK-NEXT: call void @use(double [[TMP2]])
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; CHECK-NEXT: ret double [[DIV]]
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;
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%1 = call reassoc double @llvm.cos.f64(double %a)
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%2 = call reassoc double @llvm.sin.f64(double %a)
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%div = fdiv reassoc double %1, %2
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call void @use(double %2)
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ret double %div
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}
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define double @fdiv_cos_sin_reassoc(double %a) {
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; CHECK-LABEL: @fdiv_cos_sin_reassoc(
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; CHECK-NEXT: [[TAN:%.*]] = call reassoc double @tan(double [[A:%.*]]) #1
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; CHECK-NEXT: [[TMP1:%.*]] = fdiv reassoc double 1.000000e+00, [[TAN]]
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; CHECK-NEXT: ret double [[TMP1]]
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;
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%1 = call reassoc double @llvm.cos.f64(double %a)
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%2 = call reassoc double @llvm.sin.f64(double %a)
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%div = fdiv reassoc double %1, %2
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ret double %div
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}
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define half @fdiv_cosf16_sinf16_reassoc(half %a) {
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; CHECK-LABEL: @fdiv_cosf16_sinf16_reassoc(
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; CHECK-NEXT: [[TMP1:%.*]] = call reassoc half @llvm.cos.f16(half [[A:%.*]])
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; CHECK-NEXT: [[TMP2:%.*]] = call reassoc half @llvm.sin.f16(half [[A]])
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; CHECK-NEXT: [[DIV:%.*]] = fdiv reassoc half [[TMP1]], [[TMP2]]
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; CHECK-NEXT: ret half [[DIV]]
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;
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%1 = call reassoc half @llvm.cos.f16(half %a)
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%2 = call reassoc half @llvm.sin.f16(half %a)
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%div = fdiv reassoc half %1, %2
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ret half %div
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}
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define float @fdiv_cosf_sinf_reassoc(float %a) {
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; CHECK-LABEL: @fdiv_cosf_sinf_reassoc(
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; CHECK-NEXT: [[TANF:%.*]] = call reassoc float @tanf(float [[A:%.*]]) #1
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; CHECK-NEXT: [[TMP1:%.*]] = fdiv reassoc float 1.000000e+00, [[TANF]]
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; CHECK-NEXT: ret float [[TMP1]]
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;
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%1 = call reassoc float @llvm.cos.f32(float %a)
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%2 = call reassoc float @llvm.sin.f32(float %a)
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%div = fdiv reassoc float %1, %2
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ret float %div
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}
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define fp128 @fdiv_cosfp128_sinfp128_reassoc(fp128 %a) {
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; CHECK-LABEL: @fdiv_cosfp128_sinfp128_reassoc(
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; CHECK-NEXT: [[TANL:%.*]] = call reassoc fp128 @tanl(fp128 [[A:%.*]]) #1
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; CHECK-NEXT: [[TMP1:%.*]] = fdiv reassoc fp128 0xL00000000000000003FFF000000000000, [[TANL]]
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; CHECK-NEXT: ret fp128 [[TMP1]]
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;
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%1 = call reassoc fp128 @llvm.cos.fp128(fp128 %a)
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%2 = call reassoc fp128 @llvm.sin.fp128(fp128 %a)
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%div = fdiv reassoc fp128 %1, %2
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ret fp128 %div
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}
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declare half @llvm.cos.f16(half) #1
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declare float @llvm.cos.f32(float) #1
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declare double @llvm.cos.f64(double) #1
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declare fp128 @llvm.cos.fp128(fp128) #1
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declare half @llvm.sin.f16(half) #1
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declare float @llvm.sin.f32(float) #1
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declare double @llvm.sin.f64(double) #1
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declare fp128 @llvm.sin.fp128(fp128) #1
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declare void @use(double)
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attributes #0 = { nounwind readnone speculatable }
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attributes #1 = { nounwind readnone }
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