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[ConstantFolding] Add support for sinh and cosh intrinsics in constant folding #132671

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Merged
merged 7 commits into from
Apr 3, 2025
Merged

[ConstantFolding] Add support for sinh and cosh intrinsics in constant folding #132671

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[ConstantantFolding] Add support for `sinh` and `cosh` intrinsics in …
el-ev Mar 24, 2025
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pre-commit test
el-ev Mar 25, 2025
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update test
el-ev Mar 25, 2025
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more testcases
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post commit
el-ev Mar 25, 2025
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precision issue
el-ev Mar 25, 2025
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Merge branch 'main' into constant_sinh_cosh
el-ev Mar 31, 2025
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6 changes: 6 additions & 0 deletions llvm/lib/Analysis/ConstantFolding.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1651,6 +1651,8 @@ bool llvm::canConstantFoldCallTo(const CallBase *Call, const Function *F) {
case Intrinsic::sin:
case Intrinsic::cos:
case Intrinsic::sincos:
case Intrinsic::sinh:
case Intrinsic::cosh:
case Intrinsic::pow:
case Intrinsic::powi:
case Intrinsic::ldexp:
Expand Down Expand Up @@ -2513,6 +2515,10 @@ static Constant *ConstantFoldScalarCall1(StringRef Name,
return ConstantFoldFP(sin, APF, Ty);
case Intrinsic::cos:
return ConstantFoldFP(cos, APF, Ty);
case Intrinsic::sinh:
return ConstantFoldFP(sinh, APF, Ty);
case Intrinsic::cosh:
return ConstantFoldFP(cosh, APF, Ty);
case Intrinsic::sqrt:
return ConstantFoldFP(sqrt, APF, Ty);
case Intrinsic::amdgcn_cos:
Expand Down
174 changes: 174 additions & 0 deletions llvm/test/Transforms/InstSimplify/ConstProp/sinh-cosh-intrinsics.ll
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@@ -0,0 +1,174 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s

define double @test_sinh_0() {
; CHECK-LABEL: define double @test_sinh_0() {
; CHECK-NEXT: ret double 0.000000e+00
;
%result = call double @llvm.sinh.f64(double 0.0)
ret double %result
}

define double @test_sinh_ln2() {
; CHECK-LABEL: define double @test_sinh_ln2() {
; CHECK-NEXT: ret double 7.500000e-01
;
%res = call double @llvm.sinh.f64(double 0x3fe62e42fefa39ef)
ret double %res
}

define <2 x double> @test_sinh_v2() {
; CHECK-LABEL: define <2 x double> @test_sinh_v2() {
; CHECK-NEXT: ret <2 x double> zeroinitializer
;
%result = call <2 x double> @llvm.sinh.v2f64(<2 x double> zeroinitializer)
ret <2 x double> %result
}

define double @test_sinh_neg0() {
; CHECK-LABEL: define double @test_sinh_neg0() {
; CHECK-NEXT: ret double -0.000000e+00
;
%res = call double @llvm.sinh.f64(double -0.0)
ret double %res
}

define double @test_sinh_poison() {
; CHECK-LABEL: define double @test_sinh_poison() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.sinh.f64(double poison)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.sinh.f64(double poison)
ret double %res
}

define double @test_sinh_undef() {
; CHECK-LABEL: define double @test_sinh_undef() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.sinh.f64(double undef)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.sinh.f64(double undef)
ret double %res
}

define double @test_sinh_snan() {
; CHECK-LABEL: define double @test_sinh_snan() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.sinh.f64(double 0x7FF0000000000001)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.sinh.f64(double 0x7ff0000000000001)
ret double %res
}

define double @test_sinh_qnan() {
; CHECK-LABEL: define double @test_sinh_qnan() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.sinh.f64(double 0x7FF8000000000000)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.sinh.f64(double 0x7ff8000000000000)
ret double %res
}

define double @test_sinh_pos_inf() {
; CHECK-LABEL: define double @test_sinh_pos_inf() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.sinh.f64(double 0x7FF0000000000000)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.sinh.f64(double 0x7ff0000000000000)
ret double %res
}

define double @test_sinh_neg_inf() {
; CHECK-LABEL: define double @test_sinh_neg_inf() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.sinh.f64(double 0xFFF0000000000000)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.sinh.f64(double 0xfff0000000000000)
ret double %res
}

define double @test_cosh_0() {
; CHECK-LABEL: define double @test_cosh_0() {
; CHECK-NEXT: ret double 1.000000e+00
;
%result = call double @llvm.cosh.f64(double 0.0)
ret double %result
}

define double @test_cosh_ln2() {
; CHECK-LABEL: define double @test_cosh_ln2() {
; CHECK-NEXT: ret double 1.250000e+00
;
%res = call double @llvm.cosh.f64(double 0x3fe62e42fefa39ef)
ret double %res
}

define <2 x double> @test_cosh_v2() {
; CHECK-LABEL: define <2 x double> @test_cosh_v2() {
; CHECK-NEXT: ret <2 x double> splat (double 1.000000e+00)
;
%result = call <2 x double> @llvm.cosh.v2f64(<2 x double> zeroinitializer)
ret <2 x double> %result
}

define double @test_cosh_neg0() {
; CHECK-LABEL: define double @test_cosh_neg0() {
; CHECK-NEXT: ret double 1.000000e+00
;
%res = call double @llvm.cosh.f64(double -0.0)
ret double %res
}

define double @test_cosh_poison() {
; CHECK-LABEL: define double @test_cosh_poison() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.cosh.f64(double poison)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.cosh.f64(double poison)
ret double %res
}

define double @test_cosh_undef() {
; CHECK-LABEL: define double @test_cosh_undef() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.cosh.f64(double undef)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.cosh.f64(double undef)
ret double %res
}

define double @test_cosh_snan() {
; CHECK-LABEL: define double @test_cosh_snan() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.cosh.f64(double 0x7FF0000000000001)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.cosh.f64(double 0x7ff0000000000001)
ret double %res
}

define double @test_cosh_qnan() {
; CHECK-LABEL: define double @test_cosh_qnan() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.cosh.f64(double 0x7FF8000000000000)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.cosh.f64(double 0x7ff8000000000000)
ret double %res
}

define double @test_cosh_pos_inf() {
; CHECK-LABEL: define double @test_cosh_pos_inf() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.cosh.f64(double 0x7FF0000000000000)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.cosh.f64(double 0x7ff0000000000000)
ret double %res
}

define double @test_cosh_neg_inf() {
; CHECK-LABEL: define double @test_cosh_neg_inf() {
; CHECK-NEXT: [[RES:%.*]] = call double @llvm.cosh.f64(double 0xFFF0000000000000)
; CHECK-NEXT: ret double [[RES]]
;
%res = call double @llvm.cosh.f64(double 0xfff0000000000000)
ret double %res
}
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