llvm/test/CodeGen/AMDGPU/promote-alloca-cfg.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -passes=amdgpu-promote-alloca < %s | FileCheck %s

; Checks that certain CFGs are handled correctly.

define amdgpu_kernel void @chain(i32 %init, i32 %i.1, i32 %i.2) {
; CHECK-LABEL: @chain(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[A:%.*]] = freeze <4 x i8> poison
; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i32 [[INIT:%.*]] to <4 x i8>
; CHECK-NEXT:    br label [[BB1:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x i8> [[TMP0]], i32 [[I_1:%.*]]
; CHECK-NEXT:    br label [[BB2:%.*]]
; CHECK:       bb2:
; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x i8> [[TMP0]], i32 [[I_2:%.*]]
; CHECK-NEXT:    ret void
;
entry:
  %a = alloca [4 x i8], align 4, addrspace(5)
  store i32 %init, ptr addrspace(5) %a
  br label %bb1

bb1:
  %p.1 = getelementptr i8, ptr addrspace(5) %a, i32 %i.1
  %x.1 = load i8, ptr addrspace(5) %p.1
  br label %bb2

bb2:
  %p.2 = getelementptr i8, ptr addrspace(5) %a, i32 %i.2
  %x.2 = load i8, ptr addrspace(5) %p.2
  ret void
}