# RUN: llc -o - %s -mtriple=thumb-arm-none-eabi -mcpu=cortex-m0 -run-pass scavenger-test | FileCheck %s --- # CHECK-LABEL: name: scavengebug0 # Make sure we are not spilling/using a physreg used in the very last # instruction of the scavenging range. # CHECK-NOT: tSTRi {{.*}}%r0,{{.*}}%r0 # CHECK-NOT: tSTRi {{.*}}%r1,{{.*}}%r1 # CHECK-NOT: tSTRi {{.*}}%r2,{{.*}}%r2 # CHECK-NOT: tSTRi {{.*}}%r3,{{.*}}%r3 # CHECK-NOT: tSTRi {{.*}}%r4,{{.*}}%r4 # CHECK-NOT: tSTRi {{.*}}%r5,{{.*}}%r5 # CHECK-NOT: tSTRi {{.*}}%r6,{{.*}}%r6 # CHECK-NOT: tSTRi {{.*}}%r7,{{.*}}%r7 name: scavengebug0 body: | bb.0: ; Bring up register pressure to force emergency spilling %r0 = IMPLICIT_DEF %r1 = IMPLICIT_DEF %r2 = IMPLICIT_DEF %r3 = IMPLICIT_DEF %r4 = IMPLICIT_DEF %r5 = IMPLICIT_DEF %r6 = IMPLICIT_DEF %r7 = IMPLICIT_DEF %0 : tgpr = IMPLICIT_DEF %0 = tADDhirr %0, %sp, 14, %noreg tSTRi %r0, %0, 0, 14, %noreg %1 : tgpr = IMPLICIT_DEF %1 = tADDhirr %1, %sp, 14, %noreg tSTRi %r1, %1, 0, 14, %noreg %2 : tgpr = IMPLICIT_DEF %2 = tADDhirr %2, %sp, 14, %noreg tSTRi %r2, %2, 0, 14, %noreg %3 : tgpr = IMPLICIT_DEF %3 = tADDhirr %3, %sp, 14, %noreg tSTRi %r3, %3, 0, 14, %noreg %4 : tgpr = IMPLICIT_DEF %4 = tADDhirr %4, %sp, 14, %noreg tSTRi %r4, %4, 0, 14, %noreg %5 : tgpr = IMPLICIT_DEF %5 = tADDhirr %5, %sp, 14, %noreg tSTRi %r5, %5, 0, 14, %noreg %6 : tgpr = IMPLICIT_DEF %6 = tADDhirr %6, %sp, 14, %noreg tSTRi %r6, %6, 0, 14, %noreg %7 : tgpr = IMPLICIT_DEF %7 = tADDhirr %7, %sp, 14, %noreg tSTRi %r7, %7, 0, 14, %noreg KILL %r0 KILL %r1 KILL %r2 KILL %r3 KILL %r4 KILL %r5 KILL %r6 KILL %r7