diff options
Diffstat (limited to 'test/CodeGen/X86/multiple-loop-post-inc.ll')
| -rw-r--r-- | test/CodeGen/X86/multiple-loop-post-inc.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/X86/multiple-loop-post-inc.ll b/test/CodeGen/X86/multiple-loop-post-inc.ll index 5feab18..51a0611 100644 --- a/test/CodeGen/X86/multiple-loop-post-inc.ll +++ b/test/CodeGen/X86/multiple-loop-post-inc.ll @@ -275,3 +275,30 @@ bb14: ; preds = %bb12, %bb11 return: ; preds = %entry ret void } + +; Codegen shouldn't crash on this testcase. + +define void @bar(i32 %a, i32 %b) nounwind { +entry: ; preds = %bb1, %entry, %for.end204 + br label %outer + +outer: ; preds = %bb1, %entry + %i6 = phi i32 [ %storemerge171, %bb1 ], [ %a, %entry ] ; <i32> [#uses=2] + %storemerge171 = add i32 %i6, 1 ; <i32> [#uses=1] + br label %inner + +inner: ; preds = %bb0, %if.end275 + %i8 = phi i32 [ %a, %outer ], [ %indvar.next159, %bb0 ] ; <i32> [#uses=2] + %t338 = load i32* undef ; <i32> [#uses=1] + %t191 = mul i32 %i8, %t338 ; <i32> [#uses=1] + %t179 = add i32 %i6, %t191 ; <i32> [#uses=1] + br label %bb0 + +bb0: ; preds = %for.body332 + %indvar.next159 = add i32 %i8, 1 ; <i32> [#uses=1] + br i1 undef, label %bb1, label %inner + +bb1: ; preds = %bb0, %outer + %midx.4 = phi i32 [ %t179, %bb0 ] ; <i32> [#uses=0] + br label %outer +} |