CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / sdiv-exact.ll

diff --git a/test/CodeGen/X86/sdiv-exact.ll b/test/CodeGen/X86/sdiv-exact.ll
index 4f8d3f05351b2a6b5369ae4738eaa057c3865181..a6ace5bc31c1ab75da41c20c63ce2a9bba732493 100644 (file)
--- a/test/CodeGen/X86/sdiv-exact.ll
+++ b/test/CodeGen/X86/sdiv-exact.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=x86 < %s | FileCheck %s
+; RUN: llc -march=x86 -mattr=+sse2 < %s | FileCheck %s
 
 define i32 @test1(i32 %x) {
   %div = sdiv exact i32 %x, 25
@@ -16,3 +16,14 @@ define i32 @test2(i32 %x) {
 ; CHECK-NEXT: imull    $-1431655765
 ; CHECK-NEXT: ret
 }
+
+define <4 x i32> @test3(<4 x i32> %x) {
+  %div = sdiv exact <4 x i32> %x, <i32 24, i32 24, i32 24, i32 24>
+  ret <4 x i32> %div
+; CHECK-LABEL: test3:
+; CHECK: psrad $3,
+; CHECK: pmuludq
+; CHECK: pmuludq
+; CHECK-NOT: psrad
+; CHECK: ret
+}