llvm-6502/remat-mov-0.ll at ff00a555171cac0a77c0434fd85ff5a0ae672ade - llvm-6502 - Applefritter: Git

6502/llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-11-15 20:06:46 +00:00

Dan Gohman f1b4d26e67 Reapply the MOV64r0 patch, with a fix: MOV64r0 clobbers EFLAGS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93229 91177308-0d34-0410-b5e6-96231b3b80d8

2010-01-12 04:42:54 +00:00

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 ; RUN: llc < %s -march=x86-64 | grep {xorl	%edi, %edi} | count 4
 ; CodeGen should remat the zero instead of spilling it.
 declare void @foo(i64 %p)
 define void @bar() nounwind {
   call void @foo(i64 0)
   call void @foo(i64 0)
   call void @foo(i64 0)
   call void @foo(i64 0)
   ret void
 }