[X86,AArch64] Extend vcmp w/ unary op combine to work w/ more constants.

[oota-llvm.git] / test / CodeGen / X86 / x86-setcc-int-to-fp-combine.ll

diff --git a/test/CodeGen/X86/x86-setcc-int-to-fp-combine.ll b/test/CodeGen/X86/x86-setcc-int-to-fp-combine.ll
index f737519bd1536fbc4ccd6ddbfd6f5767736f1e3b..4fe6c664df53bb7b6412a316a20476c131923ecf 100644 (file)
--- a/test/CodeGen/X86/x86-setcc-int-to-fp-combine.ll
+++ b/test/CodeGen/X86/x86-setcc-int-to-fp-combine.ll
@@ -54,3 +54,21 @@ define void @foo2(<4 x float>* noalias %result) nounwind {
   store <4 x float> %val, <4 x float>* %result
   ret void
 }
+
+; Fold explicit AND operations when the constant isn't a splat of a single
+; scalar value like what the zext creates.
+define <4 x float> @foo3(<4 x float> %val, <4 x float> %test) nounwind {
+; CHECK-LABEL: LCPI3_0:
+; CHECK-NEXT: .long 1065353216              ## float 1.000000e+00
+; CHECK-NEXT: .long 0                       ## float 0.000000e+00
+; CHECK-NEXT: .long 1065353216              ## float 1.000000e+00
+; CHECK-NEXT: .long 0                       ## float 0.000000e+00
+; CHECK-LABEL: foo3:
+; CHECK: cmpeqps %xmm1, %xmm0
+; CHECK-NEXT: andps LCPI3_0(%rip), %xmm0
+  %cmp = fcmp oeq <4 x float> %val, %test
+  %ext = zext <4 x i1> %cmp to <4 x i32>
+  %and = and <4 x i32> %ext, <i32 255, i32 256, i32 257, i32 258>
+  %result = sitofp <4 x i32> %and to <4 x float>
+  ret <4 x float> %result
+}