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author | Chris Lattner <sabre@nondot.org> | 2008-12-16 21:04:51 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2008-12-16 21:04:51 +0000 |
commit | 542dc1a0decc2b598a1f856370a55091a51e102c (patch) | |
tree | 703d355134706cab84a7beca0ea2463f5a679f64 /test/Transforms/GlobalOpt | |
parent | 080efb8cea6255b4f1f373d9cb583d6a6302106b (diff) | |
download | llvm-542dc1a0decc2b598a1f856370a55091a51e102c.tar.gz llvm-542dc1a0decc2b598a1f856370a55091a51e102c.tar.bz2 llvm-542dc1a0decc2b598a1f856370a55091a51e102c.tar.xz |
fix a crash found by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61101 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GlobalOpt')
-rw-r--r-- | test/Transforms/GlobalOpt/2008-12-16-HeapSRACrash.ll | 27 | ||||
-rw-r--r-- | test/Transforms/GlobalOpt/heap-sra-2.ll | 10 |
2 files changed, 29 insertions, 8 deletions
diff --git a/test/Transforms/GlobalOpt/2008-12-16-HeapSRACrash.ll b/test/Transforms/GlobalOpt/2008-12-16-HeapSRACrash.ll new file mode 100644 index 0000000000..f284840802 --- /dev/null +++ b/test/Transforms/GlobalOpt/2008-12-16-HeapSRACrash.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | opt -globalopt | llvm-dis +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin7" + %struct.foo = type { i32, i32 } +@X = internal global %struct.foo* null ; <%struct.foo**> [#uses=2] + +define void @bar(i32 %Size) nounwind noinline { +entry: + %tmp = malloc [1000000 x %struct.foo] ; <[1000000 x %struct.foo]*> [#uses=1] + %.sub = getelementptr [1000000 x %struct.foo]* %tmp, i32 0, i32 0 ; <%struct.foo*> [#uses=1] + store %struct.foo* %.sub, %struct.foo** @X, align 4 + ret void +} + +define i32 @baz() nounwind readonly noinline { +bb1.thread: + %tmpLD1 = load %struct.foo** @X, align 4 ; <%struct.foo*> [#uses=3] + store %struct.foo* %tmpLD1, %struct.foo** null + br label %bb1 + +bb1: ; preds = %bb1, %bb1.thread + %tmp = phi %struct.foo* [ %tmpLD1, %bb1.thread ], [ %tmpLD1, %bb1 ] ; <%struct.foo*> [#uses=0] + br i1 false, label %bb2, label %bb1 + +bb2: ; preds = %bb1 + ret i32 0 +} diff --git a/test/Transforms/GlobalOpt/heap-sra-2.ll b/test/Transforms/GlobalOpt/heap-sra-2.ll index 47a2e88170..98f4a50227 100644 --- a/test/Transforms/GlobalOpt/heap-sra-2.ll +++ b/test/Transforms/GlobalOpt/heap-sra-2.ll @@ -6,7 +6,7 @@ target triple = "i386-apple-darwin7" %struct.foo = type { i32, i32 } @X = internal global %struct.foo* null ; <%struct.foo**> [#uses=2] -define internal fastcc void @bar(i32 %Size) nounwind noinline { +define void @bar(i32 %Size) nounwind noinline { entry: %0 = malloc [1000000 x %struct.foo] ;%.sub = bitcast [1000000 x %struct.foo]* %0 to %struct.foo* @@ -15,7 +15,7 @@ entry: ret void } -define internal fastcc i32 @baz() nounwind readonly noinline { +define i32 @baz() nounwind readonly noinline { bb1.thread: %0 = load %struct.foo** @X, align 4 ; <%struct.foo*> [#uses=1] br label %bb1 @@ -34,9 +34,3 @@ bb2: ; preds = %bb1 ret i32 %3 } -define i32 @main(i32 %argc, i8** %argv) nounwind { -entry: - tail call fastcc void @bar(i32 %argc) nounwind noinline - %0 = tail call fastcc i32 @baz() nounwind ; <i32> [#uses=1] - ret i32 %0 -} |