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://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(ptr) 11 12define void @test1(ptr %arg, ptr %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, %rbx 19; CHECK-NEXT: .LBB0_1: # Block address taken 20; CHECK-NEXT: # %loop 21; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 22; CHECK-NEXT: # Label of block must be emitted 23; CHECK-NEXT: movq (%rbx), %r14 24; CHECK-NEXT: callq foo@PLT 25; CHECK-NEXT: movq %r14, %rdi 26; CHECK-NEXT: #APP 27; CHECK-NEXT: #NO_APP 28; CHECK-NEXT: # %bb.2: # %end 29; CHECK-NEXT: addq $8, %rsp 30; CHECK-NEXT: popq %rbx 31; CHECK-NEXT: popq %r14 32; CHECK-NEXT: retq 33entry: 34 br label %loop 35 36loop: 37 %a = phi ptr [ %arg, %entry ], [ %b, %loop ] 38 %b = load ptr, ptr %mem, align 8 39 call void @foo(ptr %a) 40 callbr void asm sideeffect "", "*m,!i"(ptr elementtype(i8) %b) 41 to label %end [label %loop] 42 43end: 44 ret void 45} 46