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llvm-mirror/test/CodeGen/X86/2010-01-08-Atomic64Bug.ll
Stephen Lin 7e501cf4c3 Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally.
This update was done with the following bash script:

  find test/CodeGen -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc.*debug" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP
      done
      sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP
      sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP
      sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP
      sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP
      mv $TEMP $NAME
    fi
  done

llvm-svn: 186280
2013-07-14 06:24:09 +00:00

23 lines
591 B
LLVM

; RUN: llc < %s -mtriple=i386-apple-darwin -mcpu=corei7 | FileCheck %s
; rdar://r7512579
; PHI defs in the atomic loop should be used by the add / adc
; instructions. They should not be dead.
define void @t(i64* nocapture %p) nounwind ssp {
entry:
; CHECK-LABEL: t:
; CHECK: movl ([[REG:%[a-z]+]]), %eax
; CHECK: movl 4([[REG]]), %edx
; CHECK: LBB0_1:
; CHECK: movl %eax, %ebx
; CHECK: addl {{%[a-z]+}}, %ebx
; CHECK: movl %edx, %ecx
; CHECK: adcl {{%[a-z]+}}, %ecx
; CHECK: lock
; CHECK-NEXT: cmpxchg8b ([[REG]])
; CHECK-NEXT: jne
%0 = atomicrmw add i64* %p, i64 1 seq_cst
ret void
}