1; RUN: llc < %s -march=x86 -mattr=sse2 | grep movsd | count 5 2; RUN: llc < %s -march=x86 -mattr=sse2 -O0 | grep -v esp | grep movsd | count 5 3 4@x = external global double 5 6define void @foo() nounwind { 7 %a = volatile load double* @x 8 volatile store double 0.0, double* @x 9 volatile store double 0.0, double* @x 10 %b = volatile load double* @x 11 ret void 12} 13 14define void @bar() nounwind { 15 %c = volatile load double* @x 16 ret void 17} 18