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R600/SI: Promote f32 SELECT to i32

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209024 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2014-05-16 20:56:41 +00:00
parent 03b96200c6
commit 3bd63cd655
3 changed files with 4 additions and 7 deletions
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2
lib/Target/R600/SIISelLowering.cpp
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@ -99,6 +99,8 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
setOperationAction(ISD::STORE, MVT::v2i32, Custom);
setOperationAction(ISD::STORE, MVT::v4i32, Custom);
setOperationAction(ISD::SELECT, MVT::f32, Promote);
AddPromotedToType(ISD::SELECT, MVT::f32, MVT::i32);
setOperationAction(ISD::SELECT, MVT::i64, Custom);
setOperationAction(ISD::SELECT, MVT::f64, Promote);
AddPromotedToType(ISD::SELECT, MVT::f64, MVT::i64);

6
lib/Target/R600/SIInstructions.td
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@ -1121,12 +1121,6 @@ def V_CNDMASK_B32_e64 : VOP3 <0x00000100, (outs VReg_32:$dst),
let src2_modifiers = 0;
}
//f32 pattern for V_CNDMASK_B32_e64
def : Pat <
(f32 (select i1:$src2, f32:$src1, f32:$src0)),
(V_CNDMASK_B32_e64 $src0, $src1, $src2)
>;
def V_READLANE_B32 : VOP2 <
0x00000001,
(outs SReg_32:$vdst),

3
test/CodeGen/R600/v_cndmask.ll
View File

@ -3,7 +3,8 @@
; SI: @v_cnd_nan
; SI: V_CNDMASK_B32_e64 v{{[0-9]}},
; SI-DAG: v{{[0-9]}}
; SI-DAG: {{nan|#QNAN}}
; All nan values are converted to 0xffffffff
; SI-DAG: -1
define void @v_cnd_nan(float addrspace(1)* %out, i32 %c, float %f) {
entry:
%0 = icmp ne i32 %c, 0