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authorTom Stellard <thomas.stellard@amd.com>2014-03-24 18:21:38 +0000
committerTom Stellard <thomas.stellard@amd.com>2014-03-24 18:21:38 +0000
commit5f71aeed1a8f37298c5a2179e1ef1b61ca7226a5 (patch)
tree73183bc2cf47d6e07cee0692123b8e3383c40ac1
parent705b92b04d0dd88320c14894a3105a2ce5df026f (diff)
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Merging r200830:
------------------------------------------------------------------------ r200830 | michel.daenzer | 2014-02-05 01:48:05 -0800 (Wed, 05 Feb 2014) | 8 lines R600/SI: Add pattern for zero-extending i1 to i32 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/branches/release_34@204646 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/R600/SIInstructions.td5
-rw-r--r--test/CodeGen/R600/zero_extend.ll10
2 files changed, 15 insertions, 0 deletions
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index ae641164b4..37a77ce71b 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -1818,6 +1818,11 @@ 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),
diff --git a/test/CodeGen/R600/zero_extend.ll b/test/CodeGen/R600/zero_extend.ll
index 481b3b3282..a114bfc4a0 100644
--- a/test/CodeGen/R600/zero_extend.ll
+++ b/test/CodeGen/R600/zero_extend.ll
@@ -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
+}