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| author | Chris Lattner <sabre@nondot.org> | 2009-11-28 15:12:41 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-11-28 15:12:41 +0000 |
| commit | ab9530ee5d8fec9ed822a82fa21b588952269897 (patch) | |
| tree | 83f987a2ef9fb0758bdd99914d471b2a09ac5c46 /test/Transforms/DeadStoreElimination | |
| parent | af7a28939eb72258fef61398b53b4f3a24c1541f (diff) | |
| download | llvm-ab9530ee5d8fec9ed822a82fa21b588952269897.tar.gz llvm-ab9530ee5d8fec9ed822a82fa21b588952269897.tar.bz2 llvm-ab9530ee5d8fec9ed822a82fa21b588952269897.tar.xz | |
implement a FIXME: limit the depth that DecomposeGEPExpression goes the same
way that getUnderlyingObject does it.
This fixes the 'DecomposeGEPExpression and getUnderlyingObject disagree!'
assertion on sqlite3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90038 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/DeadStoreElimination')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/crash.ll | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/test/Transforms/DeadStoreElimination/crash.ll b/test/Transforms/DeadStoreElimination/crash.ll index 7f82cbfd92..f89f8f5185 100644 --- a/test/Transforms/DeadStoreElimination/crash.ll +++ b/test/Transforms/DeadStoreElimination/crash.ll @@ -1,4 +1,4 @@ -; RUN: opt < %s -dse | llvm-dis +; RUN: opt < %s -dse -S 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-darwin10.0" @@ -24,3 +24,20 @@ bb: ; preds = %bb, %entry %2 = tail call signext i8 @foo(i8 signext undef, i8 signext 1) nounwind ; <i8> [#uses=1] br label %bb } + +define fastcc i32 @test2() nounwind ssp { +bb14: ; preds = %bb4 + %0 = bitcast i8* undef to i8** ; <i8**> [#uses=1] + %1 = getelementptr inbounds i8** %0, i64 undef ; <i8**> [#uses=1] + %2 = bitcast i8** %1 to i16* ; <i16*> [#uses=2] + %3 = getelementptr inbounds i16* %2, i64 undef ; <i16*> [#uses=1] + %4 = bitcast i16* %3 to i8* ; <i8*> [#uses=1] + %5 = getelementptr inbounds i8* %4, i64 undef ; <i8*> [#uses=1] + %6 = getelementptr inbounds i16* %2, i64 undef ; <i16*> [#uses=1] + store i16 undef, i16* %6, align 2 + %7 = getelementptr inbounds i8* %5, i64 undef ; <i8*> [#uses=1] + call void @llvm.memcpy.i64(i8* %7, i8* undef, i64 undef, i32 1) nounwind + unreachable +} + +declare void @llvm.memcpy.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind |