CodeGen peephole: fold redundant phys reg copies

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

diff --git a/test/CodeGen/X86/shl_elim.ll b/test/CodeGen/X86/shl_elim.ll
index 2e48e528c939116358a0060bd64bc5af8789d831..4762b13b516f77d2607a650319639063ac4ca6bb 100644 (file)
--- a/test/CodeGen/X86/shl_elim.ll
+++ b/test/CodeGen/X86/shl_elim.ll
@@ -1,13 +1,16 @@
-; RUN: llvm-as < %s | llc -march=x86 | grep {movl 8(.esp), %eax}
-; RUN: llvm-as < %s | llc -march=x86 | grep {shll .15, .eax}
-; RUN: llvm-as < %s | llc -march=x86 | grep {sarl .16, .eax}
+; RUN: llc < %s -march=x86 | FileCheck %s
 
-define i32 @test1(i64 %a) {
+define i32 @test1(i64 %a) nounwind {
         %tmp29 = lshr i64 %a, 24                ; <i64> [#uses=1]
         %tmp23 = trunc i64 %tmp29 to i32                ; <i32> [#uses=1]
         %tmp410 = lshr i32 %tmp23, 9            ; <i32> [#uses=1]
         %tmp45 = trunc i32 %tmp410 to i16               ; <i16> [#uses=1]
         %tmp456 = sext i16 %tmp45 to i32                ; <i32> [#uses=1]
         ret i32 %tmp456
+
+; CHECK-LABEL: test1:
+; CHECK: movl 8(%esp), %eax
+; CHECK: shrl %eax
+; CHECK: cwtl
 }