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| author | Evan Cheng <evan.cheng@apple.com> | 2009-10-14 23:39:27 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-10-14 23:39:27 +0000 |
| commit | a2f80471345960c971825a053d22ec886a2ab514 (patch) | |
| tree | 275e56c43e7e4897ef60e324fda4ef9f4dc8a32b /test/CodeGen/X86 | |
| parent | 0789707c49135bba69e0e308d0fbc41bb7cbe78a (diff) | |
| download | external_llvm-a2f80471345960c971825a053d22ec886a2ab514.zip external_llvm-a2f80471345960c971825a053d22ec886a2ab514.tar.gz external_llvm-a2f80471345960c971825a053d22ec886a2ab514.tar.bz2 | |
When LiveVariables is adding implicit-def to model "partial dead", add the earlyclobber marker if the superreg def has it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84153 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/2009-10-14-LiveVariablesBug.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-10-14-LiveVariablesBug.ll b/test/CodeGen/X86/2009-10-14-LiveVariablesBug.ll new file mode 100644 index 0000000..c1aa17c --- /dev/null +++ b/test/CodeGen/X86/2009-10-14-LiveVariablesBug.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s -mtriple=i386-apple-darwin +; rdar://7299435 + +@i = internal global i32 0 ; <i32*> [#uses=1] +@llvm.used = appending global [1 x i8*] [i8* bitcast (void (i16)* @foo to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] + +define void @foo(i16 signext %source) nounwind ssp { +entry: + %source_addr = alloca i16, align 2 ; <i16*> [#uses=2] + store i16 %source, i16* %source_addr + store i32 4, i32* @i, align 4 + call void asm sideeffect "# top of block", "~{dirflag},~{fpsr},~{flags},~{edi},~{esi},~{edx},~{ecx},~{eax}"() nounwind + %asmtmp = call i16 asm sideeffect "movw $1, $0", "=={ax},*m,~{dirflag},~{fpsr},~{flags},~{memory}"(i16* %source_addr) nounwind ; <i16> [#uses=0] + ret void +} |