diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/bitcast-sext-vector.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/bitcast-sext-vector.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/bitcast-sext-vector.ll b/llvm/test/Transforms/InstCombine/bitcast-sext-vector.ll new file mode 100644 index 00000000000..d70bdbaf372 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/bitcast-sext-vector.ll @@ -0,0 +1,11 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s +; CHECK: sext +; Don't fold zero/sign extensions with a bitcast between a vector and scalar. + +define i32 @t(<4 x i8> %src1, <4 x i8> %src2) nounwind readonly { +entry: + %cmp = icmp eq <4 x i8> %src1, %src2; <<4 x i1>> [#uses=1] + %sext = sext <4 x i1> %cmp to <4 x i8> + %val = bitcast <4 x i8> %sext to i32 + ret i32 %val +} |
