forked from OSchip/llvm-project
706 lines
41 KiB
LLVM
706 lines
41 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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;
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; constrained fsub
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;
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;
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; fsub X, +0 ==> X
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;
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define float @fsub_x_p0_defaultenv(float %a) #0 {
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; CHECK-LABEL: @fsub_x_p0_defaultenv(
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; CHECK-NEXT: ret float [[A:%.*]]
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;
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%ret = call float @llvm.experimental.constrained.fsub.f32(float %a, float 0.0, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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ret float %ret
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}
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; Missing nnan: must not fire.
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define float @fsub_x_p0_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fsub_x_p0_ebmaytrap(
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; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float 0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0:[0-9]+]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%ret = call float @llvm.experimental.constrained.fsub.f32(float %a, float 0.0, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %ret
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}
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; TODO: This will fold if we allow non-default floating point environments.
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define float @fsub_nnan_x_p0_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fsub_nnan_x_p0_ebmaytrap(
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; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float 0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float %a, float 0.0, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %ret
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}
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; Missing nnan: must not fire.
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define float @fsub_x_p0_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fsub_x_p0_ebstrict(
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; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float 0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%ret = call float @llvm.experimental.constrained.fsub.f32(float %a, float 0.0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %ret
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}
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; TODO: This will fold if we allow non-default floating point environments.
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; TODO: The instruction is expected to remain, but the result isn't used.
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define float @fsub_nnan_x_p0_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fsub_nnan_x_p0_ebstrict(
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; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float 0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float %a, float 0.0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %ret
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}
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; Test with a fast math flag set but that flag is not "nnan".
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define float @fsub_ninf_x_p0_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fsub_ninf_x_p0_ebstrict(
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; CHECK-NEXT: [[RET:%.*]] = call ninf float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float 0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%ret = call ninf float @llvm.experimental.constrained.fsub.f32(float %a, float 0.0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %ret
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}
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;
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; fsub X, -0 ==> X, when we know X is not -0
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; (fast math flag: nsz)
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;
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define float @fold_fsub_nsz_x_n0_defaultenv(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_nsz_x_n0_defaultenv(
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; CHECK-NEXT: ret float [[A:%.*]]
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;
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%sub = call nsz float @llvm.experimental.constrained.fsub.f32(float %a, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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ret float %sub
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}
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; Missing nnan: must not fire.
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define float @fold_fsub_nsz_x_n0_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_nsz_x_n0_ebmaytrap(
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; CHECK-NEXT: [[SUB:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%sub = call nsz float @llvm.experimental.constrained.fsub.f32(float %a, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %sub
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}
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; TODO: This will fold if we allow non-default floating point environments.
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define float @fold_fsub_nnan_nsz_x_n0_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_nnan_nsz_x_n0_ebmaytrap(
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; CHECK-NEXT: [[SUB:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%sub = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float %a, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %sub
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}
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; Missing nnan: must not fire.
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define float @fold_fsub_nsz_x_n0_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_nsz_x_n0_ebstrict(
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; CHECK-NEXT: [[SUB:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%sub = call nsz float @llvm.experimental.constrained.fsub.f32(float %a, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %sub
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}
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; TODO: This will fold if we allow non-default floating point environments.
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; TODO: The instruction is expected to remain, but the result isn't used.
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define float @fold_fsub_nsz_nnan_x_n0_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_nsz_nnan_x_n0_ebstrict(
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; CHECK-NEXT: [[SUB:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%sub = call nsz nnan float @llvm.experimental.constrained.fsub.f32(float %a, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %sub
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}
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;
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; fsub X, -0 ==> X, when we know X is not -0
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; (No "nsz" flags)
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;
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define float @fold_fsub_fabs_x_n0_defaultenv(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_fabs_x_n0_defaultenv(
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; CHECK-NEXT: [[ABSA:%.*]] = call float @llvm.fabs.f32(float [[A:%.*]])
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; CHECK-NEXT: ret float [[ABSA]]
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;
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%absa = call float @llvm.fabs.f32(float %a)
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%sub = call float @llvm.experimental.constrained.fsub.f32(float %absa, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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ret float %sub
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}
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; Missing nnan: must not fire.
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define float @fold_fsub_fabs_x_n0_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_fabs_x_n0_ebmaytrap(
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; CHECK-NEXT: [[ABSA:%.*]] = call float @llvm.fabs.f32(float [[A:%.*]])
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; CHECK-NEXT: [[SUB:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[ABSA]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%absa = call float @llvm.fabs.f32(float %a)
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%sub = call float @llvm.experimental.constrained.fsub.f32(float %absa, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %sub
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}
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; TODO: This will fold if we allow non-default floating point environments.
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define float @fold_fsub_fabs_nnan_x_n0_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_fabs_nnan_x_n0_ebmaytrap(
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; CHECK-NEXT: [[ABSA:%.*]] = call float @llvm.fabs.f32(float [[A:%.*]])
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; CHECK-NEXT: [[SUB:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float [[ABSA]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%absa = call float @llvm.fabs.f32(float %a)
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%sub = call nnan float @llvm.experimental.constrained.fsub.f32(float %absa, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %sub
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}
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; Missing nnan: must not fire.
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define float @fold_fsub_fabs_x_n0_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_fabs_x_n0_ebstrict(
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; CHECK-NEXT: [[ABSA:%.*]] = call float @llvm.fabs.f32(float [[A:%.*]])
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; CHECK-NEXT: [[SUB:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[ABSA]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%absa = call float @llvm.fabs.f32(float %a)
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%sub = call float @llvm.experimental.constrained.fsub.f32(float %absa, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %sub
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}
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; TODO: This will fold if we allow non-default floating point environments.
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; TODO: The instruction is expected to remain, but the result isn't used.
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define float @fold_fsub_fabs_nnan_x_n0_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fold_fsub_fabs_nnan_x_n0_ebstrict(
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; CHECK-NEXT: [[ABSA:%.*]] = call float @llvm.fabs.f32(float [[A:%.*]])
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; CHECK-NEXT: [[SUB:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float [[ABSA]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%absa = call float @llvm.fabs.f32(float %a)
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%sub = call nnan float @llvm.experimental.constrained.fsub.f32(float %absa, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %sub
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}
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; TODO: This can't fire currently due to missing constrained support:
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define float @fold_fsub_sitofp_x_n0_defaultenv(i32 %a) #0 {
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; CHECK-LABEL: @fold_fsub_sitofp_x_n0_defaultenv(
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; CHECK-NEXT: [[FPA:%.*]] = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
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; CHECK-NEXT: [[SUB:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[FPA]], float -0.000000e+00, metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
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; CHECK-NEXT: ret float [[SUB]]
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;
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%fpa = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %a, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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%sub = call float @llvm.experimental.constrained.fsub.f32(float %fpa, float -0.0, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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ret float %sub
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}
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;
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; fsub -0.0, (fneg X) ==> X
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;
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define float @fsub_fneg_n0_fnX_defaultenv(float %a) #0 {
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; CHECK-LABEL: @fsub_fneg_n0_fnX_defaultenv(
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; CHECK-NEXT: ret float [[A:%.*]]
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;
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%nega = fneg float %a
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%ret = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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ret float %ret
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}
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; Missing nnan: must not fire.
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define float @fsub_fneg_n0_fnX_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fsub_fneg_n0_fnX_ebmaytrap(
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; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = fneg float %a
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%ret = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %ret
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}
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; TODO: This will fold if we allow non-default floating point environments.
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define float @fsub_fneg_nnan_n0_fnX_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fsub_fneg_nnan_n0_fnX_ebmaytrap(
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; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = fneg float %a
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%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %ret
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}
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; Missing nnan: must not fire.
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define float @fsub_fneg_n0_fnX_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fsub_fneg_n0_fnX_ebstrict(
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; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = fneg float %a
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%ret = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %ret
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}
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; TODO: This will fold if we allow non-default floating point environments.
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; TODO: The instruction is expected to remain, but the result isn't used.
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define float @fsub_fneg_nnan_n0_fnX_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fsub_fneg_nnan_n0_fnX_ebstrict(
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; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = fneg float %a
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%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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ret float %ret
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}
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;
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; fsub -0.0, (fsub -0.0, X) ==> X
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;
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; TODO: This won't fire without m_FNeg() knowing the constrained intrinsics.
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define float @fsub_fsub_n0_fnX_defaultenv(float %a) #0 {
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; CHECK-LABEL: @fsub_fsub_n0_fnX_defaultenv(
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; CHECK-NEXT: [[NEGA:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
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; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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%ret = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
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ret float %ret
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}
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; Missing nnan: must not fire.
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define float @fsub_fsub_n0_fnX_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fsub_fsub_n0_fnX_ebmaytrap(
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; CHECK-NEXT: [[NEGA:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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%ret = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %ret
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}
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; TODO: This won't fire without m_FNeg() knowing the constrained intrinsics.
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define float @fsub_fsub_nnan_n0_fnX_ebmaytrap(float %a) #0 {
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; CHECK-LABEL: @fsub_fsub_nnan_n0_fnX_ebmaytrap(
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; CHECK-NEXT: [[NEGA:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
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ret float %ret
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}
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; Missing nnan: must not fire.
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define float @fsub_fsub_n0_fnX_ebstrict(float %a) #0 {
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; CHECK-LABEL: @fsub_fsub_n0_fnX_ebstrict(
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; CHECK-NEXT: [[NEGA:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
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; CHECK-NEXT: ret float [[RET]]
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;
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%nega = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
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%ret = call float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: This won't fire without m_FNeg() knowing the constrained intrinsics.
|
|
define float @fsub_fsub_nnan_n0_fnX_ebstrict(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_nnan_n0_fnX_ebstrict(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float -0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
;
|
|
; fsub 0.0, (fneg X) ==> X if signed zeros are ignored.
|
|
;
|
|
|
|
define float @fsub_fneg_nsz_p0_fnX_defaultenv(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fneg_nsz_p0_fnX_defaultenv(
|
|
; CHECK-NEXT: ret float [[A:%.*]]
|
|
;
|
|
%nega = fneg float %a
|
|
%ret = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nnan: must not fire.
|
|
define float @fsub_fneg_nsz_p0_fnX_ebmaytrap(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fneg_nsz_p0_fnX_ebmaytrap(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = fneg float %a
|
|
%ret = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: This will fold if we allow non-default floating point environments.
|
|
define float @fsub_fneg_nsz_nnan_p0_fnX_ebmaytrap(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fneg_nsz_nnan_p0_fnX_ebmaytrap(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = fneg float %a
|
|
%ret = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nnan: must not fire.
|
|
define float @fsub_fneg_nsz_p0_fnX_ebstrict(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fneg_nsz_p0_fnX_ebstrict(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = fneg float %a
|
|
%ret = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: This will fold if we allow non-default floating point environments.
|
|
; TODO: The instruction is expected to remain, but the result isn't used.
|
|
define float @fsub_fneg_nnan_nsz_p0_fnX_ebstrict(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fneg_nnan_nsz_p0_fnX_ebstrict(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = fneg float [[A:%.*]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = fneg float %a
|
|
%ret = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
;
|
|
; fsub 0.0, (fsub 0.0, X) ==> X if signed zeros are ignored.
|
|
;
|
|
|
|
; TODO: Need constrained intrinsic support in m_FNeg() and m_FSub to fire.
|
|
define float @fsub_fsub_p0_nsz_fnX_defaultenv(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_p0_nsz_fnX_defaultenv(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
%ret = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nnan: must not fire.
|
|
define float @fsub_fsub_nsz_p0_fnX_ebmaytrap(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_nsz_p0_fnX_ebmaytrap(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_FNeg() and m_FSub to fire.
|
|
define float @fsub_fsub_nnan_nsz_p0_fnX_ebmaytrap(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_nnan_nsz_p0_fnX_ebmaytrap(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nnan: must not fire.
|
|
define float @fsub_fsub_nsz_p0_fnX_ebstrict(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_nsz_p0_fnX_ebstrict(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
%ret = call nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_FNeg() and m_FSub to fire.
|
|
define float @fsub_fsub_nnan_nsz_p0_fnX_ebstrict(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_nnan_nsz_p0_fnX_ebstrict(
|
|
; CHECK-NEXT: [[NEGA:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[A:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.000000e+00, float [[NEGA]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%nega = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
%ret = call nnan nsz float @llvm.experimental.constrained.fsub.f32(float 0.0, float %nega, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
;
|
|
; fsub nnan x, x ==> 0.0
|
|
;
|
|
|
|
; Missing nnan: must not fire.
|
|
define float @fsub_x_x_defaultenv(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_x_x_defaultenv(
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float [[A]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %a, float %a, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
define float @fsub_nnan_x_x_defaultenv(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_nnan_x_x_defaultenv(
|
|
; CHECK-NEXT: ret float 0.000000e+00
|
|
;
|
|
%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float %a, float %a, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nnan: must not fire.
|
|
define float @fsub_x_x_ebmaytrap(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_x_x_ebmaytrap(
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float [[A]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %a, float %a, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: This will fold if we allow non-default floating point environments.
|
|
define float @fsub_nnan_x_x_ebmaytrap(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_nnan_x_x_ebmaytrap(
|
|
; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float [[A]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float %a, float %a, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nnan: must not fire.
|
|
define float @fsub_x_x_ebstrict(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_x_x_ebstrict(
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float [[A]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %a, float %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: This will fold if we allow non-default floating point environments.
|
|
; TODO: The instruction is expected to remain, but the result isn't used.
|
|
define float @fsub_nnan_x_x_ebstrict(float %a) #0 {
|
|
; CHECK-LABEL: @fsub_nnan_x_x_ebstrict(
|
|
; CHECK-NEXT: [[RET:%.*]] = call nnan float @llvm.experimental.constrained.fsub.f32(float [[A:%.*]], float [[A]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%ret = call nnan float @llvm.experimental.constrained.fsub.f32(float %a, float %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
;
|
|
; Y - (Y - X) --> X
|
|
;
|
|
|
|
; Missing nsz and reassoc: must not fire
|
|
define float @fsub_fsub_y_x_x_defaultenv(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_y_x_x_defaultenv(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y:%.*]], float [[X:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y]], float [[INNER]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fsub.f32(float %y, float %x, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %y, float %inner, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_c_FAdd() and m_FSub to fire.
|
|
define float @fsub_fsub_fmf_y_x_x_defaultenv(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_fmf_y_x_x_defaultenv(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y:%.*]], float [[X:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[Y]], float [[INNER]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fsub.f32(float %y, float %x, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %y, float %inner, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Consider how alternate rounding modes can break these transforms.
|
|
|
|
; The "fpexcept.maytrap" instruction must _not_ be folded into the
|
|
; "fpexcept.ignore" instruction. This must not fire.
|
|
define float @fsub_fsub_fmf_y_x_x_ebmaytrap_defaultenv(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_fmf_y_x_x_ebmaytrap_defaultenv(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y:%.*]], float [[X:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[Y]], float [[INNER]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fsub.f32(float %y, float %x, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %y, float %inner, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nsz and reassoc: must not fire
|
|
define float @fsub_fsub_y_x_x_ebmaytrap(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_y_x_x_ebmaytrap(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y:%.*]], float [[X:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y]], float [[INNER]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fsub.f32(float %y, float %x, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %y, float %inner, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_c_FAdd() and m_FSub to fire.
|
|
define float @fsub_fsub_fmf_y_x_x_ebmaytrap(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_fmf_y_x_x_ebmaytrap(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y:%.*]], float [[X:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[Y]], float [[INNER]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fsub.f32(float %y, float %x, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %y, float %inner, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nsz and reassoc: must not fire
|
|
define float @fsub_fsub_y_x_x_ebstrict(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_y_x_x_ebstrict(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y:%.*]], float [[X:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y]], float [[INNER]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fsub.f32(float %y, float %x, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %y, float %inner, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_c_FAdd() and m_FSub to fire.
|
|
define float @fsub_fsub_fmf_y_x_x_ebstrict(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fsub_fsub_fmf_y_x_x_ebstrict(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[Y:%.*]], float [[X:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[Y]], float [[INNER]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fsub.f32(float %y, float %x, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %y, float %inner, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
;
|
|
; (X + Y) - Y --> X
|
|
; TODO: Missing IR matcher support means these won't fire.
|
|
;
|
|
|
|
; Missing nsz and reassoc: must not fire
|
|
define float @fadd_fsub_x_y_y_defaultenv(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fadd_fsub_x_y_y_defaultenv(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fadd.f32(float [[X:%.*]], float [[Y:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[INNER]], float [[Y]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fadd.f32(float %x, float %y, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %inner, float %y, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_c_FAdd() and m_FSub to fire.
|
|
define float @fadd_fsub_fmf_x_y_y_defaultenv(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fadd_fsub_fmf_x_y_y_defaultenv(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fadd.f32(float [[X:%.*]], float [[Y:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[INNER]], float [[Y]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fadd.f32(float %x, float %y, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %inner, float %y, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; The "fpexcept.maytrap" instruction must _not_ be folded into the
|
|
; "fpexcept.ignore" instruction. This must not fire.
|
|
define float @fadd_fsub_fmf_x_y_y_ebmaytrap_defaultenv(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fadd_fsub_fmf_x_y_y_ebmaytrap_defaultenv(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fadd.f32(float [[X:%.*]], float [[Y:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[INNER]], float [[Y]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fadd.f32(float %x, float %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %inner, float %y, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nsz and reassoc: must not fire
|
|
define float @fadd_fsub_x_y_y_ebmaytrap(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fadd_fsub_x_y_y_ebmaytrap(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fadd.f32(float [[X:%.*]], float [[Y:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[INNER]], float [[Y]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fadd.f32(float %x, float %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %inner, float %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_c_FAdd() and m_FSub to fire.
|
|
define float @fadd_fsub_fmf_x_y_y_ebmaytrap(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fadd_fsub_fmf_x_y_y_ebmaytrap(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fadd.f32(float [[X:%.*]], float [[Y:%.*]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[INNER]], float [[Y]], metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fadd.f32(float %x, float %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %inner, float %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; Missing nsz and reassoc: must not fire
|
|
define float @fadd_fsub_x_y_y_ebstrict(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fadd_fsub_x_y_y_ebstrict(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fadd.f32(float [[X:%.*]], float [[Y:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.experimental.constrained.fsub.f32(float [[INNER]], float [[Y]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fadd.f32(float %x, float %y, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
%ret = call float @llvm.experimental.constrained.fsub.f32(float %inner, float %y, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
; TODO: Need constrained intrinsic support in m_c_FAdd() and m_FSub to fire.
|
|
define float @fadd_fsub_fmf_x_y_y_ebstrict(float %x, float %y) #0 {
|
|
; CHECK-LABEL: @fadd_fsub_fmf_x_y_y_ebstrict(
|
|
; CHECK-NEXT: [[INNER:%.*]] = call float @llvm.experimental.constrained.fadd.f32(float [[X:%.*]], float [[Y:%.*]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: [[RET:%.*]] = call reassoc nsz float @llvm.experimental.constrained.fsub.f32(float [[INNER]], float [[Y]], metadata !"round.tonearest", metadata !"fpexcept.strict") #[[ATTR0]]
|
|
; CHECK-NEXT: ret float [[RET]]
|
|
;
|
|
%inner = call float @llvm.experimental.constrained.fadd.f32(float %x, float %y, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
%ret = call nsz reassoc float @llvm.experimental.constrained.fsub.f32(float %inner, float %y, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
|
|
ret float %ret
|
|
}
|
|
|
|
declare float @llvm.fabs.f32(float)
|
|
declare <2 x float> @llvm.fabs.v2f32(<2 x float>)
|
|
|
|
declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata) #0
|
|
declare float @llvm.experimental.constrained.fsub.f32(float, float, metadata, metadata) #0
|
|
|
|
declare float @llvm.experimental.constrained.sitofp.f32.i32(i32, metadata, metadata) #0
|
|
|
|
attributes #0 = { strictfp }
|