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R600/SI: Add a pattern for i32 anyext 

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
llvm-svn: 201370
This commit is contained in:
Tom Stellard 2014-02-13 23:34:13 +00:00
parent 6c7a7e82a7
commit f16d38cbb5
2 changed files with 19 additions and 2 deletions
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7
llvm/lib/Target/R600/SIInstructions.td
View File

@ -1838,11 +1838,14 @@ def : Pat <
(V_CNDMASK_B32_e64 (i32 0), (i32 -1), $src0)
>;
def : Pat <
(i32 (zext i1:$src0)),
class Ext32Pat <SDNode ext> : Pat <
(i32 (ext i1:$src0)),
(V_CNDMASK_B32_e64 (i32 0), (i32 1), $src0)
>;
def : Ext32Pat <zext>;
def : Ext32Pat <anyext>;
// 1. Offset as 8bit DWORD immediate
def : Pat <
(SIload_constant i128:$sbase, IMM8bitDWORD:$offset),

14
llvm/test/CodeGen/R600/anyext.ll Normal file
View File

@ -0,0 +1,14 @@
; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck %s
; CHECK-LABEL: @anyext_i1_i32
; CHECK: V_CNDMASK_B32_e64
define void @anyext_i1_i32(i32 addrspace(1)* %out, i32 %cond) {
entry:
%0 = icmp eq i32 %cond, 0
%1 = zext i1 %0 to i8
%2 = xor i8 %1, -1
%3 = and i8 %2, 1
%4 = zext i8 %3 to i32
store i32 %4, i32 addrspace(1)* %out
ret void
}