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Add llvm.fabs intrinsic.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157594 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne
2012-05-28 21:48:37 +00:00
parent 7bb9f063be
commit b34d3aa35b
3 changed files with 27 additions and 0 deletions
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1
include/llvm/Intrinsics.td
View File

@@ -259,6 +259,7 @@ let Properties = [IntrReadMem] in {
def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
def int_exp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_exp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
def int_fabs : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
} }
let Properties = [IntrNoMem] in { let Properties = [IntrNoMem] in {

5
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@@ -4920,6 +4920,11 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
case Intrinsic::pow: case Intrinsic::pow:
visitPow(I); visitPow(I);
return 0; return 0;
case Intrinsic::fabs:
setValue(&I, DAG.getNode(ISD::FABS, dl,
getValue(I.getArgOperand(0)).getValueType(),
getValue(I.getArgOperand(0))));
return 0;
case Intrinsic::fma: case Intrinsic::fma:
setValue(&I, DAG.getNode(ISD::FMA, dl, setValue(&I, DAG.getNode(ISD::FMA, dl,
getValue(I.getArgOperand(0)).getValueType(), getValue(I.getArgOperand(0)).getValueType(),

21
test/CodeGen/NVPTX/intrinsics.ll Normal file
View File

@@ -0,0 +1,21 @@
; RUN: llc < %s -march=nvptx -mcpu=sm_10 | FileCheck %s
; RUN: llc < %s -march=nvptx64 -mcpu=sm_10 | FileCheck %s
; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
define ptx_device float @test_fabsf(float %f) {
; CHECK: abs.f32 %f0, %f0;
; CHECK: ret;
%x = call float @llvm.fabs.f32(float %f)
ret float %x
}
define ptx_device double @test_fabs(double %d) {
; CHECK: abs.f64 %fl0, %fl0;
; CHECK: ret;
%x = call double @llvm.fabs.f64(double %d)
ret double %x
}
declare float @llvm.fabs.f32(float)
declare double @llvm.fabs.f64(double)