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| author | Chris Lattner <sabre@nondot.org> | 2008-11-28 19:54:49 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-11-28 19:54:49 +0000 |
| commit | f5102a0f088e7c96f7028bf7ca1c24975c314fff (patch) | |
| tree | 112c00bfeacfd18dbf355f8fc8c56664f43f11e7 /test/Transforms | |
| parent | c6dbe7fbad79eddb030a4450a135d13e6b0ca942 (diff) | |
| download | external_llvm-f5102a0f088e7c96f7028bf7ca1c24975c314fff.zip external_llvm-f5102a0f088e7c96f7028bf7ca1c24975c314fff.tar.gz external_llvm-f5102a0f088e7c96f7028bf7ca1c24975c314fff.tar.bz2 | |
don't call MergeBasicBlockIntoOnlyPred on a block whose only
predecessor is itself. This doesn't make sense, and this is
a dead infinite loop anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60210 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/JumpThreading/2008-11-28-InfLoop.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/JumpThreading/2008-11-28-InfLoop.ll b/test/Transforms/JumpThreading/2008-11-28-InfLoop.ll new file mode 100644 index 0000000..974b9ef --- /dev/null +++ b/test/Transforms/JumpThreading/2008-11-28-InfLoop.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | opt -jump-threading | 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-darwin9.5" + %struct.decContext = type { i32 } + %struct.decNumber = type { i32, i32 } + +define i32 @decNumberPower(%struct.decNumber* %res, %struct.decNumber* %lhs, %struct.decNumber* %rhs, %struct.decContext* %set) nounwind { +entry: + br i1 true, label %decDivideOp.exit, label %bb7.i + +bb7.i: ; preds = %bb7.i, %entry + br label %bb7.i + +decDivideOp.exit: ; preds = %entry + ret i32 undef +} |