1; RUN: not llc -mtriple thumbv6m-arm-none-eabi -frame-pointer=all %s -o - 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR 2 3; CHECK-ERROR: error: write to reserved register 'R7' 4define void @test_framepointer_output(i32 %input) { 5entry: 6 %0 = call i32 asm sideeffect "mov $0, $1", "={r7},r"(i32 %input) 7 ret void 8} 9 10; CHECK-ERROR: error: write to reserved register 'R7' 11define void @test_framepointer_input(i32 %input) { 12entry: 13 %0 = call i32 asm sideeffect "mov $0, $1", "=r,{r7}"(i32 %input) 14 ret void 15} 16 17; CHECK-ERROR: error: write to reserved register 'PC' 18define void @test_pc_output(i32 %input) { 19entry: 20 %0 = call i32 asm sideeffect "mov $0, $1", "={pc},r"(i32 %input) 21 ret void 22} 23 24; CHECK-ERROR: error: write to reserved register 'PC' 25define void @test_pc_input(i32 %input) { 26entry: 27 %0 = call i32 asm sideeffect "mov $0, $1", "=r,{pc}"(i32 %input) 28 ret void 29} 30 31; CHECK-ERROR: error: write to reserved register 'R6' 32define void @test_basepointer_output(i32 %size, i32 %input) alignstack(8) { 33entry: 34 %vla = alloca i32, i32 %size, align 4 35 %0 = call i32 asm sideeffect "mov $0, $1", "={r6},r"(i32 %input) 36 ret void 37} 38 39; CHECK-ERROR: error: write to reserved register 'R6' 40define void @test_basepointer_input(i32 %size, i32 %input) alignstack(8) { 41entry: 42 %vla = alloca i32, i32 %size, align 4 43 %0 = call i32 asm sideeffect "mov $0, $1", "=r,{r6}"(i32 %input) 44 ret void 45} 46