================
@@ -0,0 +1,57 @@
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple
dxil-pc-shadermodel6.2-library %s -fnative-half-type -emit-llvm
-disable-llvm-passes -o - | FileCheck %s
+
+
+// CHECK-LABEL: linkonce_odr noundef nofpclass(nan inf) <4 x float>
@_ZN4hlsl8__detail8dst_implIfEEDv4_T_S3_S3_(
+// CHECK-SAME: <4 x float> noundef nofpclass(nan inf) [[P:%.*]], <4 x float>
noundef nofpclass(nan inf) [[Q:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK: [[VECEXT:%.*]] = extractelement <4 x float> [[PADDR:%.*]], i32 1
+// CHECK: [[VECEXT1:%.*]] = extractelement <4 x float> [[QADDR:%.*]], i32 1
+// CHECK: [[MULRES:%.*]] = fmul reassoc nnan ninf nsz arcp afn float
[[VECEXT]], [[VECEXT1]]
----------------
V-FEXrt wrote:
Not as confident here, but I think it also applies.
We care about `fmul`, `float`, `vecext`, and `vecext1` so we should only check
those things
https://github.com/llvm/llvm-project/pull/133828
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