1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -enable-shrink-wrap=true | FileCheck %s
4 ;; Ensure that shrink-wrapping understands that INLINEASM_BR may exit
5 ;; the block before the end, and you cannot simply place stack
6 ;; adjustment at the end of that block.
7 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
8 target triple = "x86_64-unknown-linux-gnu"
10 declare dso_local i32 @fn()
12 ; Function Attrs: uwtable
13 define i32 @test1(i32 %v) {
15 ; CHECK: # %bb.0: # %entry
16 ; CHECK-NEXT: pushq %rax
17 ; CHECK-NEXT: .cfi_def_cfa_offset 16
18 ; CHECK-NEXT: testl %edi, %edi
19 ; CHECK-NEXT: je .LBB0_3
20 ; CHECK-NEXT: # %bb.1: # %if.end
21 ; CHECK-NEXT: callq fn
23 ; CHECK-NEXT: # jump to .Ltmp0
25 ; CHECK-NEXT: # %bb.2: # %return
26 ; CHECK-NEXT: movl $4, %eax
27 ; CHECK-NEXT: popq %rcx
28 ; CHECK-NEXT: .cfi_def_cfa_offset 8
30 ; CHECK-NEXT: .LBB0_3: # %ret0
31 ; CHECK-NEXT: .cfi_def_cfa_offset 16
32 ; CHECK-NEXT: xorl %eax, %eax
33 ; CHECK-NEXT: popq %rcx
34 ; CHECK-NEXT: .cfi_def_cfa_offset 8
36 ; CHECK-NEXT: .Ltmp0: # Block address taken
37 ; CHECK-NEXT: .LBB0_4: # %two
38 ; CHECK-NEXT: .cfi_def_cfa_offset 16
39 ; CHECK-NEXT: popq %rax
40 ; CHECK-NEXT: .cfi_def_cfa_offset 8
41 ; CHECK-NEXT: jmp fn # TAILCALL
43 %tobool = icmp eq i32 %v, 0
44 br i1 %tobool, label %ret0, label %if.end
50 %call = tail call i32 @fn()
51 callbr void asm sideeffect "# jump to $0", "X,~{dirflag},~{fpsr},~{flags}"(i8* blockaddress(@test1, %two))
52 to label %return [label %two]
55 %call1 = tail call i32 @fn()
59 %retval.1 = phi i32 [ %call1, %two ], [ 4, %if.end ]