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AArch64: expand sincos operations, we don't support them.

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Patch based on Mans Rullgard's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176688 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover 2013-03-08 13:55:07 +00:00
parent d787c047bc
commit 69fe178f77
2 changed files with 38 additions and 0 deletions
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3
lib/Target/AArch64/AArch64ISelLowering.cpp
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@ -200,6 +200,8 @@ AArch64TargetLowering::AArch64TargetLowering(AArch64TargetMachine &TM)
setOperationAction(ISD::FSIN, MVT::f32, Expand);
setOperationAction(ISD::FSIN, MVT::f64, Expand);
setOperationAction(ISD::FSINCOS, MVT::f32, Expand);
setOperationAction(ISD::FSINCOS, MVT::f64, Expand);
// Virtually no operation on f128 is legal, but LLVM can't expand them when
// there's a valid register class, so we need custom operations in most cases.
@ -217,6 +219,7 @@ AArch64TargetLowering::AArch64TargetLowering(AArch64TargetMachine &TM)
setOperationAction(ISD::FREM, MVT::f128, Expand);
setOperationAction(ISD::FRINT, MVT::f128, Expand);
setOperationAction(ISD::FSIN, MVT::f128, Expand);
setOperationAction(ISD::FSINCOS, MVT::f128, Expand);
setOperationAction(ISD::FSQRT, MVT::f128, Expand);
setOperationAction(ISD::FSUB, MVT::f128, Custom);
setOperationAction(ISD::FTRUNC, MVT::f128, Expand);

35
test/CodeGen/AArch64/sincos-expansion.ll Normal file
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@ -0,0 +1,35 @@
; RUN: llc -march=aarch64 -verify-machineinstrs < %s | FileCheck %s
define float @test_sincos_f32(float %f) {
%sin = call float @sinf(float %f) readnone
%cos = call float @cosf(float %f) readnone
; CHECK: bl cosf
; CHECK: bl sinf
%val = fadd float %sin, %cos
ret float %val
}
define double @test_sincos_f64(double %f) {
%sin = call double @sin(double %f) readnone
%cos = call double @cos(double %f) readnone
%val = fadd double %sin, %cos
; CHECK: bl cos
; CHECK: bl sin
ret double %val
}
define fp128 @test_sincos_f128(fp128 %f) {
%sin = call fp128 @sinl(fp128 %f) readnone
%cos = call fp128 @cosl(fp128 %f) readnone
%val = fadd fp128 %sin, %cos
; CHECK: bl cosl
; CHECK: bl sinl
ret fp128 %val
}
declare float @sinf(float) readonly
declare double @sin(double) readonly
declare fp128 @sinl(fp128) readonly
declare float @cosf(float) readonly
declare double @cos(double) readonly
declare fp128 @cosl(fp128) readonly