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[NFC][InstCombine] Add tests that show bogus combine of SVE intrinsic…
…s when using strictfp.
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llvm/test/Transforms/InstCombine/AArch64/sve-intrinsic-strictfp.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals | ||
; RUN: opt -S -passes=inline,instcombine < %s | FileCheck %s | ||
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target triple = "aarch64-unknown-linux-gnu" | ||
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; TODO: We can only lower to constrained intrinsics when the necessary code | ||
; generation support for scalable vector strict operations exists. | ||
define <vscale x 2 x double> @replace_fadd_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #0 { | ||
; CHECK: Function Attrs: strictfp | ||
; CHECK-LABEL: @replace_fadd_intrinsic_double_strictfp( | ||
; CHECK-NEXT: [[TMP1:%.*]] = fadd <vscale x 2 x double> [[A:%.*]], [[B:%.*]] | ||
; CHECK-NEXT: ret <vscale x 2 x double> [[TMP1]] | ||
; | ||
%1 = tail call <vscale x 2 x i1> @llvm.aarch64.sve.ptrue.nxv2i1(i32 31) #1 | ||
%2 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fadd.nxv2f64(<vscale x 2 x i1> %1, <vscale x 2 x double> %a, <vscale x 2 x double> %b) #1 | ||
ret <vscale x 2 x double> %2 | ||
} | ||
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; NOTE: IRBuilder::CreateBinOp doesn't emit constrained operations directly so | ||
; rely on function inlining to showcase the problematic transformation. | ||
define <vscale x 2 x double> @call_replace_fadd_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #0 { | ||
; CHECK: Function Attrs: strictfp | ||
; CHECK-LABEL: @call_replace_fadd_intrinsic_double_strictfp( | ||
; CHECK-NEXT: [[DOTSTRICT:%.*]] = call <vscale x 2 x double> @llvm.experimental.constrained.fadd.nxv2f64(<vscale x 2 x double> [[A:%.*]], <vscale x 2 x double> [[B:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR3:[0-9]+]] | ||
; CHECK-NEXT: ret <vscale x 2 x double> [[DOTSTRICT]] | ||
; | ||
%1 = call <vscale x 2 x double> @replace_fadd_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #1 | ||
ret <vscale x 2 x double> %1 | ||
} | ||
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; TODO: We can only lower to constrained intrinsics when the necessary code | ||
; generation support for scalable vector strict operations exists. | ||
define <vscale x 2 x double> @replace_fmul_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #0 { | ||
; CHECK: Function Attrs: strictfp | ||
; CHECK-LABEL: @replace_fmul_intrinsic_double_strictfp( | ||
; CHECK-NEXT: [[TMP1:%.*]] = fmul <vscale x 2 x double> [[A:%.*]], [[B:%.*]] | ||
; CHECK-NEXT: ret <vscale x 2 x double> [[TMP1]] | ||
; | ||
%1 = tail call <vscale x 2 x i1> @llvm.aarch64.sve.ptrue.nxv2i1(i32 31) #1 | ||
%2 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fmul.nxv2f64(<vscale x 2 x i1> %1, <vscale x 2 x double> %a, <vscale x 2 x double> %b) #1 | ||
ret <vscale x 2 x double> %2 | ||
} | ||
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; NOTE: IRBuilder::CreateBinOp doesn't emit constrained operations directly so | ||
; rely on function inlining to showcase the problematic transformation. | ||
define <vscale x 2 x double> @call_replace_fmul_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #0 { | ||
; CHECK: Function Attrs: strictfp | ||
; CHECK-LABEL: @call_replace_fmul_intrinsic_double_strictfp( | ||
; CHECK-NEXT: [[DOTSTRICT:%.*]] = call <vscale x 2 x double> @llvm.experimental.constrained.fmul.nxv2f64(<vscale x 2 x double> [[A:%.*]], <vscale x 2 x double> [[B:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR3]] | ||
; CHECK-NEXT: ret <vscale x 2 x double> [[DOTSTRICT]] | ||
; | ||
%1 = call <vscale x 2 x double> @replace_fmul_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #1 | ||
ret <vscale x 2 x double> %1 | ||
} | ||
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; TODO: We can only lower to constrained intrinsics when the necessary code | ||
; generation support for scalable vector strict operations exists. | ||
define <vscale x 2 x double> @replace_fsub_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #0 { | ||
; CHECK: Function Attrs: strictfp | ||
; CHECK-LABEL: @replace_fsub_intrinsic_double_strictfp( | ||
; CHECK-NEXT: [[TMP1:%.*]] = fsub <vscale x 2 x double> [[A:%.*]], [[B:%.*]] | ||
; CHECK-NEXT: ret <vscale x 2 x double> [[TMP1]] | ||
; | ||
%1 = tail call <vscale x 2 x i1> @llvm.aarch64.sve.ptrue.nxv2i1(i32 31) #1 | ||
%2 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fsub.nxv2f64(<vscale x 2 x i1> %1, <vscale x 2 x double> %a, <vscale x 2 x double> %b) #1 | ||
ret <vscale x 2 x double> %2 | ||
} | ||
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; NOTE: IRBuilder::CreateBinOp doesn't emit constrained operations directly so | ||
; rely on function inlining to showcase the problematic transformation. | ||
define <vscale x 2 x double> @call_replace_fsub_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #0 { | ||
; CHECK: Function Attrs: strictfp | ||
; CHECK-LABEL: @call_replace_fsub_intrinsic_double_strictfp( | ||
; CHECK-NEXT: [[DOTSTRICT:%.*]] = call <vscale x 2 x double> @llvm.experimental.constrained.fsub.nxv2f64(<vscale x 2 x double> [[A:%.*]], <vscale x 2 x double> [[B:%.*]], metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR3]] | ||
; CHECK-NEXT: ret <vscale x 2 x double> [[DOTSTRICT]] | ||
; | ||
%1 = call <vscale x 2 x double> @replace_fsub_intrinsic_double_strictfp(<vscale x 2 x double> %a, <vscale x 2 x double> %b) #1 | ||
ret <vscale x 2 x double> %1 | ||
} | ||
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declare <vscale x 2 x double> @llvm.aarch64.sve.fadd.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>) | ||
declare <vscale x 2 x double> @llvm.aarch64.sve.fmul.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>) | ||
declare <vscale x 2 x double> @llvm.aarch64.sve.fsub.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>, <vscale x 2 x double>) | ||
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declare <vscale x 2 x i1> @llvm.aarch64.sve.ptrue.nxv2i1(i32) | ||
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attributes #0 = { "target-features"="+sve" strictfp } | ||
attributes #1 = { strictfp } | ||
;. | ||
; CHECK: attributes #[[ATTR0:[0-9]+]] = { strictfp "target-features"="+sve" } | ||
; CHECK: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) } | ||
; CHECK: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) } | ||
; CHECK: attributes #[[ATTR3]] = { strictfp } | ||
;. |