reference, declaration → definition definition → references, declarations, derived classes, virtual overrides reference to multiple definitions → definitions unreferenced |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | ; RUN: llc < %s | FileCheck %s -check-prefix=NOIPRA ; RUN: llc -enable-ipra < %s | FileCheck %s target triple = "x86_64-unknown-unknown" define void @bar1() { ret void } define preserve_allcc void @foo()#0 { ; Due to preserve_allcc foo() will save some registers at start of foo() ; prefix NOIPRA will verify that. ; NOIPRA-LABEL: foo: ; NOIPRA: pushq %r10 ; NOIPRA-NEXT: pushq %r9 ; NOIPRA-NEXT: pushq %r8 ; NOIPRA: callq bar1 ; When IPRA is present above registers will not be saved and that is verified ; by prefix CHECK. ; CHECK: foo: ; CHECK-NOT: pushq %r10 ; CHECK-NOT: pushq %r9 ; CHECK-NOT: pushq %r8 ; CHECK: callq bar1 call void @bar1() call void @bar2() ret void } define void @bar2() { ret void } attributes #0 = {nounwind} |