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| author | Chris Lattner <sabre@nondot.org> | 2008-04-19 22:29:10 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-04-19 22:29:10 +0000 |
| commit | 1ce9e00f8b449be9bcf34d16fadaacf074a16362 (patch) | |
| tree | 3b3b82e7e61fbedb5845c4f015630f9bb10ff5c6 /test/CodeGen/X86/2004-04-09-SameValueCoalescing.ll | |
| parent | e972299f340413a7dd288dc019b21404a92e9354 (diff) | |
| download | external_llvm-1ce9e00f8b449be9bcf34d16fadaacf074a16362.zip external_llvm-1ce9e00f8b449be9bcf34d16fadaacf074a16362.tar.gz external_llvm-1ce9e00f8b449be9bcf34d16fadaacf074a16362.tar.bz2 | |
rename *.llx -> *.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49970 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2004-04-09-SameValueCoalescing.ll')
| -rw-r--r-- | test/CodeGen/X86/2004-04-09-SameValueCoalescing.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2004-04-09-SameValueCoalescing.ll b/test/CodeGen/X86/2004-04-09-SameValueCoalescing.ll new file mode 100644 index 0000000..633a615 --- /dev/null +++ b/test/CodeGen/X86/2004-04-09-SameValueCoalescing.ll @@ -0,0 +1,13 @@ +; Linear scan does not currently coalesce any two variables that have +; overlapping live intervals. When two overlapping intervals have the same +; value, they can be joined though. +; +; RUN: llvm-as < %s | llc -march=x86 -regalloc=linearscan | \ +; RUN: not grep {mov %\[A-Z\]\\\{2,3\\\}, %\[A-Z\]\\\{2,3\\\}} + +define i64 @test(i64 %x) { +entry: + %tmp.1 = mul i64 %x, 4294967297 ; <i64> [#uses=1] + ret i64 %tmp.1 +} + |