xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/volatile.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 -mattr=sse2 | grep movsd | count 5
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 -mattr=sse2 -O0 | grep -v esp | grep movsd | count 5
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@x = external global double
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @foo() nounwind  {
7*9880d681SAndroid Build Coastguard Worker  %a = load volatile double, double* @x
8*9880d681SAndroid Build Coastguard Worker  store volatile double 0.0, double* @x
9*9880d681SAndroid Build Coastguard Worker  store volatile double 0.0, double* @x
10*9880d681SAndroid Build Coastguard Worker  %b = load volatile double, double* @x
11*9880d681SAndroid Build Coastguard Worker  ret void
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerdefine void @bar() nounwind  {
15*9880d681SAndroid Build Coastguard Worker  %c = load volatile double, double* @x
16*9880d681SAndroid Build Coastguard Worker  ret void
17*9880d681SAndroid Build Coastguard Worker}
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