1*9880d681SAndroid Build Coastguard Worker@ RUN: llvm-mc -triple arm-none-eabi -filetype asm %s 2>%t | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker@ RUN: FileCheck %s <%t --check-prefix=STDERR 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker@ Start in arm mode 5*9880d681SAndroid Build Coastguard Worker .arm 6*9880d681SAndroid Build Coastguard Worker@ CHECK: .code 32 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker@ In ARM mode, switch to an arch which has ARM and Thumb, no warning or .code directive (stay in ARM mode) 9*9880d681SAndroid Build Coastguard Worker .arch armv7-a 10*9880d681SAndroid Build Coastguard Worker@ STDERR-NOT: [[@LINE-1]]:{{[0-9]+}}: warning: 11*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 12*9880d681SAndroid Build Coastguard Worker@ CHECK: .arch armv7-a 13*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Worker@ In ARM mode, switch to an arch which has Thumb only, expect warning and .code 16 directive 16*9880d681SAndroid Build Coastguard Worker .arch armv6-m 17*9880d681SAndroid Build Coastguard Worker@ STDERR: [[@LINE-1]]:{{[0-9]+}}: warning: new target does not support arm mode, switching to thumb mode 18*9880d681SAndroid Build Coastguard Worker@ CHECK: .code 16 19*9880d681SAndroid Build Coastguard Worker@ CHECK: .arch armv6-m 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Worker@ In Thumb mode, switch to an arch which has ARM and Thumb, no warning or .code directive (stay in Thumb mode) 22*9880d681SAndroid Build Coastguard Worker .arch armv7-a 23*9880d681SAndroid Build Coastguard Worker@ STDERR-NOT: [[@LINE-1]]:{{[0-9]+}}: warning: 24*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 25*9880d681SAndroid Build Coastguard Worker@ CHECK: .arch armv7-a 26*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Worker@ In Thumb mode, switch to a CPU which has ARM and Thumb, no warning or .code directive (stay in Thumb mode) 29*9880d681SAndroid Build Coastguard Worker .cpu cortex-a8 30*9880d681SAndroid Build Coastguard Worker@ STDERR-NOT: [[@LINE-1]]:{{[0-9]+}}: warning: 31*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 32*9880d681SAndroid Build Coastguard Worker@ CHECK: .cpu cortex-a8 33*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 34*9880d681SAndroid Build Coastguard Worker 35*9880d681SAndroid Build Coastguard Worker@ Switch to ARM mode 36*9880d681SAndroid Build Coastguard Worker .arm 37*9880d681SAndroid Build Coastguard Worker@ CHECK: .code 32 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker@ In ARM mode, switch to a CPU which has ARM and Thumb, no warning or .code directive (stay in ARM mode) 40*9880d681SAndroid Build Coastguard Worker .cpu cortex-a8 41*9880d681SAndroid Build Coastguard Worker@ STDERR-NOT: [[@LINE-1]]:{{[0-9]+}}: warning: 42*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 43*9880d681SAndroid Build Coastguard Worker@ CHECK: .cpu cortex-a8 44*9880d681SAndroid Build Coastguard Worker@ CHECK-NOT: .code 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Worker@ In ARM mode, switch to a CPU which has Thumb only, expect warning and .code 16 directive 47*9880d681SAndroid Build Coastguard Worker .cpu cortex-m3 48*9880d681SAndroid Build Coastguard Worker@ STDERR: [[@LINE-1]]:{{[0-9]+}}: warning: new target does not support arm mode, switching to thumb mode 49*9880d681SAndroid Build Coastguard Worker@ CHECK: .cpu cortex-m3 50*9880d681SAndroid Build Coastguard Worker@ CHECK: .code 16 51*9880d681SAndroid Build Coastguard Worker 52*9880d681SAndroid Build Coastguard Worker@ We don't have any ARM-only targets (i.e. v4), so we can't test the forced Thumb->ARM case 53