Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/X86/fsxor-alignment.ll

@@ -0,0 +1,14 @@
+; RUN: llc < %s -mtriple=i686-- -mattr=+sse2 -enable-unsafe-fp-math | \
+; RUN:  grep -v sp | grep xorps | count 2
+
+; Don't fold the incoming stack arguments into the xorps instructions used
+; to do floating-point negations, because the arguments aren't vectors
+; and aren't vector-aligned.
+
+define void @foo(float* %p, float* %q, float %s, float %y) {
+  %ss = fsub float -0.0, %s
+  %yy = fsub float -0.0, %y
+  store float %ss, float* %p
+  store float %yy, float* %q
+  ret void
+}