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| author | Nadav Rotem <nadav.rotem@intel.com> | 2011-12-08 13:10:01 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2011-12-08 13:10:01 +0000 |
| commit | 26edb291ace843dba8ee775ae81ffb74bb129fce (patch) | |
| tree | c48de565596949a32183d7cf6de66d42a4cd3f59 /llvm/test/CodeGen | |
| parent | b6033396fd935dd053639d5e31c49b7f2f58c2ef (diff) | |
| download | bcm5719-llvm-26edb291ace843dba8ee775ae81ffb74bb129fce.tar.gz bcm5719-llvm-26edb291ace843dba8ee775ae81ffb74bb129fce.zip | |
Fix a bug in the integer-promotion of bitcast operations on vector types.
We must not issue a bitcast operation for integer-promotion of vector types, because the
location of the values in the vector may be different.
llvm-svn: 146150
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/2011-12-8-bitcastintprom.ll | 15 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_compare-2.ll | 1 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/widen_arith-3.ll | 2 |
3 files changed, 17 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/2011-12-8-bitcastintprom.ll b/llvm/test/CodeGen/X86/2011-12-8-bitcastintprom.ll new file mode 100644 index 00000000000..ceee8e6041e --- /dev/null +++ b/llvm/test/CodeGen/X86/2011-12-8-bitcastintprom.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s + +; Make sure that the conversion between v4i8 to v2i16 is not a simple bitcast. +; CHECK: prom_bug +; CHECK: movd +; CHECK: shufb +; CHECK: movw +; CHECK: ret +define void @prom_bug(<4 x i8> %t, i16* %p) { + %r = bitcast <4 x i8> %t to <2 x i16> + %o = extractelement <2 x i16> %r, i32 0 + store i16 %o, i16* %p + ret void +} + diff --git a/llvm/test/CodeGen/X86/vec_compare-2.ll b/llvm/test/CodeGen/X86/vec_compare-2.ll index 04bb7254fb0..aaa585b35f5 100644 --- a/llvm/test/CodeGen/X86/vec_compare-2.ll +++ b/llvm/test/CodeGen/X86/vec_compare-2.ll @@ -8,6 +8,7 @@ declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) nounwind readnone define void @blackDespeckle_wrapper(i8** %args_list, i64* %gtid, i64 %xend) { entry: +; CHECK: cfi_def_cfa_offset ; CHECK-NOT: set ; CHECK: pcmpgt ; CHECK: blendvps diff --git a/llvm/test/CodeGen/X86/widen_arith-3.ll b/llvm/test/CodeGen/X86/widen_arith-3.ll index 11d56f57864..b959ce82c9a 100644 --- a/llvm/test/CodeGen/X86/widen_arith-3.ll +++ b/llvm/test/CodeGen/X86/widen_arith-3.ll @@ -1,5 +1,5 @@ ; RUN: llc < %s -march=x86 -mattr=+sse42 -post-RA-scheduler=true | FileCheck %s -; CHECK: incw +; CHECK: incl ; CHECK: incl ; CHECK: incl ; CHECK: addl |
