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R600/SI: Add pattern for zero-extending i1 to i32

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Fixes opencl-example if_* tests with radeonsi.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74469

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200830 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michel Danzer 2014-02-05 09:48:05 +00:00
parent 51dd765139
commit cf4061a601
2 changed files with 15 additions and 0 deletions
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5
lib/Target/R600/SIInstructions.td
View File

@ -1838,6 +1838,11 @@ def : Pat <
(V_CNDMASK_B32_e64 (i32 0), (i32 -1), $src0)
>;
def : Pat <
(i32 (zext i1:$src0)),
(V_CNDMASK_B32_e64 (i32 0), (i32 1), $src0)
>;
// 1. Offset as 8bit DWORD immediate
def : Pat <
(SIload_constant i128:$sbase, IMM8bitDWORD:$offset),

10
test/CodeGen/R600/zero_extend.ll
View File

@ -16,3 +16,13 @@ entry:
store i64 %2, i64 addrspace(1)* %out
ret void
}
; SI-CHECK-LABEL: @testi1toi32
; SI-CHECK: V_CNDMASK_B32
define void @testi1toi32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
entry:
%0 = icmp eq i32 %a, %b
%1 = zext i1 %0 to i32
store i32 %1, i32 addrspace(1)* %out
ret void
}