R600/SI: Add pattern for truncating i32 to i1
Fixes half a dozen piglit tests with radeonsi.
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 200283
diff --git a/llvm/test/CodeGen/R600/trunc.ll b/llvm/test/CodeGen/R600/trunc.ll
index 0bd320a..6bbd7f7 100644
--- a/llvm/test/CodeGen/R600/trunc.ll
+++ b/llvm/test/CodeGen/R600/trunc.ll
@@ -28,3 +28,13 @@
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
+
+; SI-LABEL: @trunc_i32_to_i1:
+; SI: V_AND_B32
+; SI: V_CMP_EQ_I32
+define void @trunc_i32_to_i1(i32 addrspace(1)* %out, i32 %a) {
+ %trunc = trunc i32 %a to i1
+ %result = select i1 %trunc, i32 1, i32 0
+ store i32 %result, i32 addrspace(1)* %out, align 4
+ ret void
+}