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| author | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
|---|---|---|
| committer | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
| commit | f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc (patch) | |
| tree | ebb79ea1ee5e3bc1fdf38541a811a8b804f0679a /test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll | |
| download | external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.zip external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.gz external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.bz2 | |
It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll b/test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll new file mode 100644 index 0000000..0ea76c7 --- /dev/null +++ b/test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll @@ -0,0 +1,14 @@ +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" +target triple = "powerpc-apple-darwin8.8.0" + +; RUN: llvm-as < %s | llc -march=ppc32 | grep {rlwinm r3, r3, 23, 30, 30} +; PR1473 + +define i8 @foo(i16 zext %a) zext { + %tmp2 = lshr i16 %a, 10 ; <i16> [#uses=1] + %tmp23 = trunc i16 %tmp2 to i8 ; <i8> [#uses=1] + %tmp4 = shl i8 %tmp23, 1 ; <i8> [#uses=1] + %tmp5 = and i8 %tmp4, 2 ; <i8> [#uses=1] + ret i8 %tmp5 +} + |