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author | Evan Cheng <evan.cheng@apple.com> | 2009-03-23 08:01:15 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2009-03-23 08:01:15 +0000 |
commit | fb11288109329cb736d9f49769581a0d0c23fe19 (patch) | |
tree | c2d5d369ef2db0b2fab9a7fc0aa4fbbb6a98a9c5 /test/CodeGen/X86/2008-12-19-EarlyClobberBug.ll | |
parent | 7d6d4b360fb8c1895b57eeb1284e792f953ea7ee (diff) | |
download | llvm-fb11288109329cb736d9f49769581a0d0c23fe19.tar.gz llvm-fb11288109329cb736d9f49769581a0d0c23fe19.tar.bz2 llvm-fb11288109329cb736d9f49769581a0d0c23fe19.tar.xz |
Model inline asm constraint which ties an input to an output register as machine operand TIED_TO constraint. This eliminated the need to pre-allocate registers for these. This also allows register allocator can eliminate the unneeded copies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67512 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2008-12-19-EarlyClobberBug.ll')
-rw-r--r-- | test/CodeGen/X86/2008-12-19-EarlyClobberBug.ll | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/test/CodeGen/X86/2008-12-19-EarlyClobberBug.ll b/test/CodeGen/X86/2008-12-19-EarlyClobberBug.ll index 6442ac7c76..c7fdfb2692 100644 --- a/test/CodeGen/X86/2008-12-19-EarlyClobberBug.ll +++ b/test/CodeGen/X86/2008-12-19-EarlyClobberBug.ll @@ -1,5 +1,6 @@ -; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | %prcontext End 1 | grep {movl.*%ecx} +; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | %prcontext End 2 | grep mov ; PR3149 +; Make sure the copy after inline asm is not coalesced away. @"\01LC" = internal constant [7 x i8] c"n0=%d\0A\00" ; <[7 x i8]*> [#uses=1] @llvm.used = appending global [1 x i8*] [ i8* bitcast (i32 (i64, i64)* @umoddi3 to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] |