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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2010-05-01 12:52:34 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2010-05-01 12:52:34 +0000 |
| commit | 17458a786e4d3eeff9c66fc0ec284b763df53642 (patch) | |
| tree | d9bd4e8ef9bbdc729d1cf4c93f99daf2fbab3d57 /test/CodeGen/MSP430 | |
| parent | 1b17614a7283f903363f7c4305da6ea742d3d28b (diff) | |
| download | llvm-17458a786e4d3eeff9c66fc0ec284b763df53642.tar.gz llvm-17458a786e4d3eeff9c66fc0ec284b763df53642.tar.bz2 llvm-17458a786e4d3eeff9c66fc0ec284b763df53642.tar.xz | |
Insert ANY_EXTEND node instead of invalid truncate during DAG Combining (X & 1),
when needed. This fixes PR7001
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102838 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/MSP430')
| -rw-r--r-- | test/CodeGen/MSP430/2010-05-01-CombinerAnd.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/MSP430/2010-05-01-CombinerAnd.ll b/test/CodeGen/MSP430/2010-05-01-CombinerAnd.ll new file mode 100644 index 0000000000..9910037703 --- /dev/null +++ b/test/CodeGen/MSP430/2010-05-01-CombinerAnd.ll @@ -0,0 +1,27 @@ +; RUN: llc < %s +; PR7001 + +target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16" +target triple = "msp430-elf" + +define i16 @main() nounwind { +entry: + br label %while.cond + +while.cond: ; preds = %while.body, %entry + br i1 undef, label %land.rhs, label %land.end + +land.rhs: ; preds = %while.cond + br label %land.end + +land.end: ; preds = %land.rhs, %while.cond + %0 = phi i1 [ false, %while.cond ], [ undef, %land.rhs ] ; <i1> [#uses=1] + br i1 %0, label %while.body, label %while.end + +while.body: ; preds = %land.end + %tmp4 = load i16* undef ; <i16> [#uses=0] + br label %while.cond + +while.end: ; preds = %land.end + ret i16 undef +} |