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| author | Chris Lattner <sabre@nondot.org> | 2007-04-28 00:54:45 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-04-28 00:54:45 +0000 |
| commit | 947780b1f973dabd3077dd328cc65823578ca475 (patch) | |
| tree | 5819e9d70c0b48b20fd267bc1c940956cf0bddb8 | |
| parent | caa8055cf54c9e633b06d7d3433e5345e3ca982a (diff) | |
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36520 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Transforms/InstCombine/bitcast-gep.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/bitcast-gep.ll b/test/Transforms/InstCombine/bitcast-gep.ll new file mode 100644 index 0000000000..5a514ab5c6 --- /dev/null +++ b/test/Transforms/InstCombine/bitcast-gep.ll @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep bitcast +; RUN: llvm-as < %s | opt -instcombine -scalarrepl | llvm-dis | grep {ret i8. %v} +; PR1345 + +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" +target triple = "powerpc-apple-darwin8.8.0" + +define i8* @test(i8* %v) { + %A = alloca [4 x i8*], align 16 ; <[4 x i8*]*> [#uses=3] + %B = getelementptr [4 x i8*]* %A, i32 0, i32 0 ; <i8**> [#uses=1] + store i8* null, i8** %B + %C = bitcast [4 x i8*]* %A to { [16 x i8] }* ; <{ [16 x i8] }*> [#uses=1] + %D = getelementptr { [16 x i8] }* %C, i32 0, i32 0, i32 8 ; <i8*> [#uses=1] + %E = bitcast i8* %D to i8** ; <i8**> [#uses=1] + store i8* %v, i8** %E + %F = getelementptr [4 x i8*]* %A, i32 0, i32 2 ; <i8**> [#uses=1] + %G = load i8** %F ; <i8*> [#uses=1] + ret i8* %G +} |