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[PATCH][Interpreter] Add missing FP intrinsic lowering.

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Summary:
This extends the work done in [1], adding missing intrinsic lowering for floor, trunc, round and copysign.

[1] http://comments.gmane.org/gmane.comp.compilers.llvm.cvs/199372

Test Plan: Extended `test/ExecutionEngine/Interpreter/intrinsics.ll` to test the additional missing intrinsics. All tests pass.

Reviewers: dexonsmith

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5120

llvm-svn: 216827
This commit is contained in:
Josh Klontz 2014-08-30 18:33:35 +00:00
parent 799c2d6473
commit ad93d59be7
2 changed files with 32 additions and 0 deletions
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16
lib/CodeGen/IntrinsicLowering.cpp
View File

@ -536,10 +536,26 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
ReplaceFPIntrinsicWithCall(CI, "cosf", "cos", "cosl");
break;
}
case Intrinsic::floor: {
ReplaceFPIntrinsicWithCall(CI, "floorf", "floor", "floorl");
break;
}
case Intrinsic::ceil: {
ReplaceFPIntrinsicWithCall(CI, "ceilf", "ceil", "ceill");
break;
}
case Intrinsic::trunc: {
ReplaceFPIntrinsicWithCall(CI, "truncf", "trunc", "truncl");
break;
}
case Intrinsic::round: {
ReplaceFPIntrinsicWithCall(CI, "roundf", "round", "roundl");
break;
}
case Intrinsic::copysign: {
ReplaceFPIntrinsicWithCall(CI, "copysignf", "copysign", "copysignl");
break;
}
case Intrinsic::flt_rounds:
// Lower to "round to the nearest"
if (!CI->getType()->isVoidTy())

16
test/ExecutionEngine/Interpreter/intrinsics.ll
View File

@ -5,15 +5,31 @@ declare float @llvm.sin.f32(float)
declare double @llvm.sin.f64(double)
declare float @llvm.cos.f32(float)
declare double @llvm.cos.f64(double)
declare float @llvm.floor.f32(float)
declare double @llvm.floor.f64(double)
declare float @llvm.ceil.f32(float)
declare double @llvm.ceil.f64(double)
declare float @llvm.trunc.f32(float)
declare double @llvm.trunc.f64(double)
declare float @llvm.round.f32(float)
declare double @llvm.round.f64(double)
declare float @llvm.copysign.f32(float, float)
declare double @llvm.copysign.f64(double, double)
define i32 @main() {
%sin32 = call float @llvm.sin.f32(float 0.000000e+00)
%sin64 = call double @llvm.sin.f64(double 0.000000e+00)
%cos32 = call float @llvm.cos.f32(float 0.000000e+00)
%cos64 = call double @llvm.cos.f64(double 0.000000e+00)
%floor32 = call float @llvm.floor.f32(float 0.000000e+00)
%floor64 = call double @llvm.floor.f64(double 0.000000e+00)
%ceil32 = call float @llvm.ceil.f32(float 0.000000e+00)
%ceil64 = call double @llvm.ceil.f64(double 0.000000e+00)
%trunc32 = call float @llvm.trunc.f32(float 0.000000e+00)
%trunc64 = call double @llvm.trunc.f64(double 0.000000e+00)
%round32 = call float @llvm.round.f32(float 0.000000e+00)
%round64 = call double @llvm.round.f64(double 0.000000e+00)
%copysign32 = call float @llvm.copysign.f32(float 0.000000e+00, float 0.000000e+00)
%copysign64 = call double @llvm.copysign.f64(double 0.000000e+00, double 0.000000e+00)
ret i32 0
}