; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -verify-machineinstrs -O2 < %s | FileCheck %s ;; https://llvm.org/PR47468 ;; PHI elimination should place copies BEFORE the inline asm, not ;; after, even if the inline-asm uses as an input the same value as ;; the PHI. declare void @foo(ptr) define void @test1(ptr %arg, ptr %mem) nounwind { ; CHECK-LABEL: test1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushq %r14 ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: pushq %rax ; CHECK-NEXT: movq %rsi, %r14 ; CHECK-NEXT: .Ltmp0: # Block address taken ; CHECK-NEXT: .LBB0_1: # %loop ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq (%r14), %rbx ; CHECK-NEXT: callq foo@PLT ; CHECK-NEXT: movq %rbx, %rdi ; CHECK-NEXT: #APP ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: # %bb.2: # %end ; CHECK-NEXT: addq $8, %rsp ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: popq %r14 ; CHECK-NEXT: retq entry: br label %loop loop: %a = phi ptr [ %arg, %entry ], [ %b, %loop ] %b = load ptr, ptr %mem, align 8 call void @foo(ptr %a) callbr void asm sideeffect "", "*m,!i"(ptr elementtype(i8) %b) to label %end [label %loop] end: ret void }