| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-cbz-offset-bits=3 < %s | FileCheck %s |
| |
| |
| define void @split_block_no_fallthrough(i64 %val) #0 { |
| ; CHECK-LABEL: split_block_no_fallthrough: |
| ; CHECK: ; %bb.0: ; %bb |
| ; CHECK-NEXT: cmn x0, #5 |
| ; CHECK-NEXT: b.le LBB0_3 |
| ; CHECK-NEXT: ; %bb.1: ; %b3 |
| ; CHECK-NEXT: ldr w8, [x8] |
| ; CHECK-NEXT: cbnz w8, LBB0_2 |
| ; CHECK-NEXT: b LBB0_4 |
| ; CHECK-NEXT: LBB0_2: ; %common.ret |
| ; CHECK-NEXT: ret |
| ; CHECK-NEXT: LBB0_3: ; %b2 |
| ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill |
| ; CHECK-NEXT: mov w0, #93 ; =0x5d |
| ; CHECK-NEXT: bl _extfunc |
| ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload |
| ; CHECK-NEXT: cbz w0, LBB0_4 |
| ; CHECK-NEXT: b LBB0_2 |
| ; CHECK-NEXT: LBB0_4: ; %b7 |
| ; CHECK-NEXT: mov w0, #13 ; =0xd |
| ; CHECK-NEXT: b _extfunc |
| bb: |
| %c0 = icmp sgt i64 %val, -5 |
| br i1 %c0, label %b3, label %b2 |
| |
| b2: |
| %v0 = tail call i32 @extfunc(i32 93) |
| %c1 = icmp eq i32 %v0, 0 |
| br i1 %c1, label %b7, label %b8 |
| |
| b3: |
| %v1 = load volatile i32, ptr undef, align 4 |
| %c2 = icmp eq i32 %v1, 0 |
| br i1 %c2, label %b7, label %b8 |
| |
| b7: |
| %tmp1 = tail call i32 @extfunc(i32 13) |
| ret void |
| |
| b8: |
| ret void |
| } |
| |
| declare i32 @extfunc(i32) #0 |
| |
| attributes #0 = { nounwind } |