| ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -frame-pointer=all %s -o - 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR |
| |
| ; CHECK-ERROR: error: write to reserved register 'R7' |
| define void @test_framepointer_output(i32 %input) { |
| entry: |
| %0 = call i32 asm sideeffect "mov $0, $1", "={r7},r"(i32 %input) |
| ret void |
| } |
| |
| ; CHECK-ERROR: error: write to reserved register 'R7' |
| define void @test_framepointer_input(i32 %input) { |
| entry: |
| %0 = call i32 asm sideeffect "mov $0, $1", "=r,{r7}"(i32 %input) |
| ret void |
| } |
| |
| ; CHECK-ERROR: error: write to reserved register 'PC' |
| define void @test_pc_output(i32 %input) { |
| entry: |
| %0 = call i32 asm sideeffect "mov $0, $1", "={pc},r"(i32 %input) |
| ret void |
| } |
| |
| ; CHECK-ERROR: error: write to reserved register 'PC' |
| define void @test_pc_input(i32 %input) { |
| entry: |
| %0 = call i32 asm sideeffect "mov $0, $1", "=r,{pc}"(i32 %input) |
| ret void |
| } |
| |
| ; CHECK-ERROR: error: write to reserved register 'R6' |
| define void @test_basepointer_output(i32 %size, i32 %input) alignstack(8) { |
| entry: |
| %vla = alloca i32, i32 %size, align 4 |
| %0 = call i32 asm sideeffect "mov $0, $1", "={r6},r"(i32 %input) |
| ret void |
| } |
| |
| ; CHECK-ERROR: error: write to reserved register 'R6' |
| define void @test_basepointer_input(i32 %size, i32 %input) alignstack(8) { |
| entry: |
| %vla = alloca i32, i32 %size, align 4 |
| %0 = call i32 asm sideeffect "mov $0, $1", "=r,{r6}"(i32 %input) |
| ret void |
| } |