diff options
author | Evan Cheng <evan.cheng@apple.com> | 2009-01-29 18:37:30 +0000 |
---|---|---|
committer | Evan Cheng <evan.cheng@apple.com> | 2009-01-29 18:37:30 +0000 |
commit | d5a480270898166d512fe49fc61328211fd7c6b2 (patch) | |
tree | 99f6ab417a1285d99b6eea14751316951842d6b2 /test/CodeGen/X86/2009-01-29-LocalRegAllocBug.ll | |
parent | 2c65c3dfe6589a630d1bdde085aec1b9cdc43ea8 (diff) | |
download | external_llvm-d5a480270898166d512fe49fc61328211fd7c6b2.zip external_llvm-d5a480270898166d512fe49fc61328211fd7c6b2.tar.gz external_llvm-d5a480270898166d512fe49fc61328211fd7c6b2.tar.bz2 |
Local register allocator shouldn't assume only the entry and landing pad basic blocks have live-ins.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63323 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2009-01-29-LocalRegAllocBug.ll')
-rw-r--r-- | test/CodeGen/X86/2009-01-29-LocalRegAllocBug.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-01-29-LocalRegAllocBug.ll b/test/CodeGen/X86/2009-01-29-LocalRegAllocBug.ll new file mode 100644 index 0000000..b7f37c9 --- /dev/null +++ b/test/CodeGen/X86/2009-01-29-LocalRegAllocBug.ll @@ -0,0 +1,38 @@ +; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin9.6 -regalloc=local -disable-fp-elim +; rdar://6538384 + + %struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 } + %struct.Lit = type { i32 } + %struct.StreamBuffer = type { %struct.FILE*, [1048576 x i8], i32, i32 } + %struct.__sFILEX = type opaque + %struct.__sbuf = type { i8*, i32 } + +declare fastcc i32 @_Z8parseIntI12StreamBufferEiRT_(%struct.StreamBuffer*) + +declare i8* @llvm.eh.exception() nounwind + +define i32 @main(i32 %argc, i8** nocapture %argv) noreturn { +entry: + %0 = invoke fastcc i32 @_Z8parseIntI12StreamBufferEiRT_(%struct.StreamBuffer* null) + to label %bb1.i16.i.i unwind label %lpad.i.i ; <i32> [#uses=0] + +bb1.i16.i.i: ; preds = %entry + br i1 false, label %bb.i.i.i.i, label %_ZN3vecI3LitE4pushERKS0_.exit.i.i.i + +bb.i.i.i.i: ; preds = %bb1.i16.i.i + br label %_ZN3vecI3LitE4pushERKS0_.exit.i.i.i + +_ZN3vecI3LitE4pushERKS0_.exit.i.i.i: ; preds = %bb.i.i.i.i, %bb1.i16.i.i + %lits.i.i.0.0 = phi %struct.Lit* [ null, %bb1.i16.i.i ], [ null, %bb.i.i.i.i ] ; <%struct.Lit*> [#uses=1] + %1 = invoke fastcc i32 @_Z8parseIntI12StreamBufferEiRT_(%struct.StreamBuffer* null) + to label %.noexc21.i.i unwind label %lpad.i.i ; <i32> [#uses=0] + +.noexc21.i.i: ; preds = %_ZN3vecI3LitE4pushERKS0_.exit.i.i.i + unreachable + +lpad.i.i: ; preds = %_ZN3vecI3LitE4pushERKS0_.exit.i.i.i, %entry + %lits.i.i.0.3 = phi %struct.Lit* [ %lits.i.i.0.0, %_ZN3vecI3LitE4pushERKS0_.exit.i.i.i ], [ null, %entry ] ; <%struct.Lit*> [#uses=1] + %eh_ptr.i.i = call i8* @llvm.eh.exception() ; <i8*> [#uses=0] + free %struct.Lit* %lits.i.i.0.3 + unreachable +} |