1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=x86_64-unknown-linux-gnu -verify-machineinstrs -O2 < %s | FileCheck %s
3
4;; https://bugs.llvm.org/PR47468
5
6;; PHI elimination should place copies BEFORE the inline asm, not
7;; after, even if the inline-asm uses as an input the same value as
8;; the PHI.
9
10declare void @foo(i8*)
11
12define void @test1(i8* %arg, i8** %mem) nounwind {
13; CHECK-LABEL: test1:
14; CHECK:       # %bb.0: # %entry
15; CHECK-NEXT:    pushq %r14
16; CHECK-NEXT:    pushq %rbx
17; CHECK-NEXT:    pushq %rax
18; CHECK-NEXT:    movq %rsi, %r14
19; CHECK-NEXT:  .Ltmp0: # Block address taken
20; CHECK-NEXT:  .LBB0_1: # %loop
21; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
22; CHECK-NEXT:    movq (%r14), %rbx
23; CHECK-NEXT:    callq foo
24; CHECK-NEXT:    movq %rbx, %rdi
25; CHECK-NEXT:    #APP
26; CHECK-NEXT:    #NO_APP
27; CHECK-NEXT:  # %bb.2: # %end
28; CHECK-NEXT:    addq $8, %rsp
29; CHECK-NEXT:    popq %rbx
30; CHECK-NEXT:    popq %r14
31; CHECK-NEXT:    retq
32entry:
33  br label %loop
34
35loop:
36  %a = phi i8* [ %arg, %entry ], [ %b, %loop ]
37  %b = load i8*, i8** %mem, align 8
38  call void @foo(i8* %a)
39  callbr void asm sideeffect "", "*m,X"(i8* %b, i8* blockaddress(@test1, %loop))
40          to label %end [label %loop]
41
42end:
43  ret void
44}
45