CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / atom-pad-short-functions.ll

diff --git a/test/CodeGen/X86/atom-pad-short-functions.ll b/test/CodeGen/X86/atom-pad-short-functions.ll
index 3e599345970516f799a4a2712be47270b9669e5a..b9a39e08cb5190f44f10ccf91442a92d5b2510e7 100644 (file)
--- a/test/CodeGen/X86/atom-pad-short-functions.ll
+++ b/test/CodeGen/X86/atom-pad-short-functions.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mcpu=atom -mtriple=i686-linux  | FileCheck %s
+; RUN: llc < %s -O1 -mcpu=atom -mtriple=i686-linux  | FileCheck %s
 
 declare void @external_function(...)
 
@@ -15,6 +15,20 @@ define i32 @test_return_val(i32 %a) nounwind {
   ret i32 %a
 }
 
+define i32 @test_optsize(i32 %a) nounwind optsize {
+; CHECK: test_optsize
+; CHECK: movl
+; CHECK-NEXT: ret
+  ret i32 %a
+}
+
+define i32 @test_minsize(i32 %a) nounwind minsize {
+; CHECK: test_minsize
+; CHECK: movl
+; CHECK-NEXT: ret
+  ret i32 %a
+}
+
 define i32 @test_add(i32 %a, i32 %b) nounwind {
 ; CHECK: test_add
 ; CHECK: addl
@@ -69,3 +83,21 @@ if.end:
   ret void
 
 }
+
+define void @test_branch_to_same_bb(i32 %x, i32 %y) nounwind {
+; CHECK: @test_branch_to_same_bb
+  %cmp = icmp sgt i32 %x, 0
+  br i1 %cmp, label %while.cond, label %while.end
+
+while.cond:
+  br label %while.cond
+
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: ret
+while.end:
+  ret void
+}
+