Add support for passing -1 to __builtin_shufflevector to signify an undefined element value to match IR capabilities.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187694 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/builtinshufflevector2.c b/test/CodeGen/builtinshufflevector2.c
index ac0e07a..4a7fc62 100644
--- a/test/CodeGen/builtinshufflevector2.c
+++ b/test/CodeGen/builtinshufflevector2.c
@@ -28,8 +28,15 @@
}
// CHECK: define void @clang_shufflevector_v_v_c(
-void clang_shufflevector_v_v_c( float4* A, float4 x, float4 y, uint4 mask ) {
+void clang_shufflevector_v_v_c( float4* A, float4 x, float4 y) {
// CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 1, i32 5>
// CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}}
*A = __builtin_shufflevector( x, y, 0, 4, 1, 5 );
}
+
+// CHECK: define void @clang_shufflevector_v_v_undef(
+void clang_shufflevector_v_v_undef( float4* A, float4 x, float4 y) {
+// CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 undef, i32 5>
+// CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}}
+ *A = __builtin_shufflevector( x, y, 0, 4, -1, 5 );
+}