llvm/test/Transforms/MoveAutoInit/branch.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -passes='move-auto-init' -verify-memoryssa | FileCheck %s

@__const.foo.buffer = private unnamed_addr constant [8 x i32] [i32 -1431655766, i32 -1431655766, i32 -1431655766, i32 -1431655766, i32 -1431655766, i32 -1431655766, i32 -1431655766, i32 -1431655766], align 16

define void @foo(i32 %x) {
; CHECK-LABEL: @foo(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[BUFFER:%.*]] = alloca [8 x i32], align 16
; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 0
; CHECK-NEXT:    br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK:       if.then:
; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 16 [[BUFFER]], ptr align 16 @__const.foo.buffer, i64 32, i1 false), !annotation !0
; CHECK-NEXT:    call void @dump(ptr [[BUFFER]])
; CHECK-NEXT:    br label [[IF_END]]
; CHECK:       if.end:
; CHECK-NEXT:    ret void
;

entry:
  %buffer = alloca [8 x i32], align 16
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %buffer, ptr align 16 @__const.foo.buffer, i64 32, i1 false), !annotation !0
  %tobool = icmp ne i32 %x, 0
  br i1 %tobool, label %if.then, label %if.end

if.then:                                          ; preds = %entry
  call void @dump(ptr %buffer)
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  ret void
}



declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)

declare void @dump(ptr)

!0 = !{!"auto-init"}