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| author | Reid Spencer <rspencer@reidspencer.com> | 2007-03-19 23:28:16 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2007-03-19 23:28:16 +0000 |
| commit | eb0a221186cb3b0d754dd8fcddd2f2626b7d4c97 (patch) | |
| tree | f4d28165d9a0adbef56eab83c9c8e786f11131cb | |
| parent | 1d3bb03aa12c9f842e40f773c558a08fc5ac2172 (diff) | |
| download | bcm5719-llvm-eb0a221186cb3b0d754dd8fcddd2f2626b7d4c97.tar.gz bcm5719-llvm-eb0a221186cb3b0d754dd8fcddd2f2626b7d4c97.zip | |
Add test case for PR1261, currently XFAILed.
llvm-svn: 35192
| -rw-r--r-- | llvm/test/Transforms/InstCombine/2007-03-19-BadTruncChangePR1261.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/2007-03-19-BadTruncChangePR1261.ll b/llvm/test/Transforms/InstCombine/2007-03-19-BadTruncChangePR1261.ll new file mode 100644 index 00000000000..bdf3cca0b52 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/2007-03-19-BadTruncChangePR1261.ll @@ -0,0 +1,14 @@ +; For PR1261. Before bit accurate type support in InstCombine, this would +; turn the sext into a zext. +; RUN: llvm-as %s -o - | opt -instcombine | llvm-dis && +; RUN: llvm-as %s -o - | opt -instcombine | llvm-dis | not grep zext +; XFAIL: * + +define i16 @test(i31 %zzz) { +entry: + %A = sext i31 %zzz to i32 + %B = add i32 %A, 16384 + %C = lshr i32 %B, 15 + %D = trunc i32 %C to i16 + ret i16 %D +} |
