# RUN: llc -o - %s -mtriple=thumbv7-- -run-pass=stack-protector -run-pass=prologepilog | FileCheck %s --- # This should trigger an emergency spill in the register scavenger because the # frame offset into the large argument is too large. # CHECK-LABEL: name: func0 # CHECK: t2STRi12 killed [[SPILLED:\$r[0-9]+]], $sp, 0, 14, $noreg :: (store 4 into %stack.0) # CHECK: [[SPILLED]] = t2ADDri killed $sp, 4096, 14, $noreg, $noreg # CHECK: $sp = t2LDRi12 killed [[SPILLED]], 40, 14, $noreg :: (load 4) # CHECK: [[SPILLED]] = t2LDRi12 $sp, 0, 14, $noreg :: (load 4 from %stack.0) name: func0 tracksRegLiveness: true fixedStack: - { id: 0, offset: 4084, size: 4, alignment: 4, isImmutable: true, isAliased: false } - { id: 1, offset: -12, size: 4096, alignment: 4, isImmutable: false, isAliased: false } body: | bb.0: $r0 = IMPLICIT_DEF $r1 = IMPLICIT_DEF $r2 = IMPLICIT_DEF $r3 = IMPLICIT_DEF $r4 = IMPLICIT_DEF $r5 = IMPLICIT_DEF $r6 = IMPLICIT_DEF $r7 = IMPLICIT_DEF $r8 = IMPLICIT_DEF $r9 = IMPLICIT_DEF $r10 = IMPLICIT_DEF $r11 = IMPLICIT_DEF $r12 = IMPLICIT_DEF $lr = IMPLICIT_DEF $sp = t2LDRi12 %fixed-stack.0, 0, 14, $noreg :: (load 4) KILL $r0 KILL $r1 KILL $r2 KILL $r3 KILL $r4 KILL $r5 KILL $r6 KILL $r7 KILL $r8 KILL $r9 KILL $r10 KILL $r11 KILL $r12 KILL $lr ... --- # This should not trigger an emergency spill yet. # CHECK-LABEL: name: func1 # CHECK-NOT: t2STRi12 # CHECK-NOT: t2ADDri # CHECK: $r11 = t2LDRi12 $sp, 4092, 14, $noreg :: (load 4) # CHECK-NOT: t2LDRi12 name: func1 tracksRegLiveness: true fixedStack: - { id: 0, offset: 4044, size: 4, alignment: 4, isImmutable: true, isAliased: false } - { id: 1, offset: -12, size: 4056, alignment: 4, isImmutable: false, isAliased: false } body: | bb.0: $r0 = IMPLICIT_DEF $r1 = IMPLICIT_DEF $r2 = IMPLICIT_DEF $r3 = IMPLICIT_DEF $r4 = IMPLICIT_DEF $r5 = IMPLICIT_DEF $r6 = IMPLICIT_DEF $r8 = IMPLICIT_DEF $r9 = IMPLICIT_DEF $r10 = IMPLICIT_DEF $r11 = IMPLICIT_DEF $r12 = IMPLICIT_DEF $lr = IMPLICIT_DEF $r11 = t2LDRi12 %fixed-stack.0, 0, 14, $noreg :: (load 4) KILL $r0 KILL $r1 KILL $r2 KILL $r3 KILL $r4 KILL $r5 KILL $r6 KILL $r8 KILL $r9 KILL $r10 KILL $r11 KILL $r12 KILL $lr ...