Legalizer: Make bswap promotion safe for vectors.

[oota-llvm.git] / test / CodeGen / X86 / bswap-vector.ll

diff --git a/test/CodeGen/X86/bswap-vector.ll b/test/CodeGen/X86/bswap-vector.ll
index a18fd68865cc738a76026bdd705a83aa98ee376e..3c931db2e279c97ac36928a53fa40fa0d96553ee 100644 (file)
--- a/test/CodeGen/X86/bswap-vector.ll
+++ b/test/CodeGen/X86/bswap-vector.ll
@@ -122,6 +122,23 @@ entry:
 ; CHECK-AVX2-NEXT: retq
 }
 
+declare <4 x i16> @llvm.bswap.v4i16(<4 x i16>)
+
+define <4 x i16> @test7(<4 x i16> %v) #0 {
+entry:
+  %r = call <4 x i16> @llvm.bswap.v4i16(<4 x i16> %v)
+  ret <4 x i16> %r
+
+; CHECK-SSSE3-LABEL: @test7
+; CHECK-SSSE3: pshufb
+; CHECK-SSSE3: psrld $16
+; CHECK-SSSE3-NEXT: retq
+
+; CHECK-AVX2-LABEL: @test7
+; CHECK-AVX2: vpshufb
+; CHECK-AVX2: vpsrld $16
+; CHECK-AVX2-NEXT: retq
+}
 
 attributes #0 = { nounwind uwtable }