| ; REQUIRES: asserts |
| ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -o /dev/null -debug-only=isel 2>&1 | FileCheck %s |
| |
| ; Make sure we emit the basic block exports and the TokenFactor before the |
| ; inlineasm_br. Not sure how to get a MachineIR change so this reads the debug |
| ; output from SelectionDAG. |
| |
| ; CHECK: t0: ch = EntryToken |
| ; CHECK-NEXT: t4: i32,ch = CopyFromReg t0, Register:i32 %3 |
| ; CHECK-NEXT: t10: i32 = add t4, Constant:i32<1> |
| ; CHECK-NEXT: t12: ch = CopyToReg t0, Register:i32 %0, t10 |
| ; CHECK-NEXT: t6: i32,ch = CopyFromReg t0, Register:i32 %4 |
| ; CHECK-NEXT: t13: i32 = add t6, Constant:i32<1> |
| ; CHECK-NEXT: t15: ch = CopyToReg t0, Register:i32 %1, t13 |
| ; CHECK-NEXT: t17: ch = TokenFactor t12, t15 |
| ; CHECK-NEXT: t2: i32,ch = CopyFromReg t0, Register:i32 %2 |
| ; CHECK-NEXT: t8: i32 = add t2, Constant:i32<4> |
| ; CHECK-NEXT: t22: ch,glue = CopyToReg t17, Register:i32 %5, t8 |
| ; CHECK-NEXT: t29: ch,glue = inlineasm_br t22, {{.*}}, t22:1 |
| |
| define i32 @test(i32 %a, i32 %b, i32 %c) { |
| entry: |
| %0 = add i32 %a, 4 |
| %1 = add i32 %b, 1 |
| %2 = add i32 %c, 1 |
| callbr void asm "xorl $0, $0; jmp ${1:l}", "r,X,~{dirflag},~{fpsr},~{flags}"(i32 %0, i8* blockaddress(@test, %fail)) to label %normal [label %fail] |
| |
| normal: |
| ret i32 %1 |
| |
| fail: |
| ret i32 %2 |
| } |