llvm/test/Transforms/Attributor/ArgumentPromotion/chained.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -S -passes='attributor' -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=1 < %s | FileCheck %s

@G1 = constant i32 0
@G2 = constant i32* @G1

define internal i32 @test(i32** %x) {
; CHECK-LABEL: define {{[^@]+}}@test()
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[Y:%.*]] = load i32*, i32** @G2, align 8
; CHECK-NEXT:    [[Z:%.*]] = load i32, i32* [[Y]], align 4
; CHECK-NEXT:    ret i32 [[Z]]
;
entry:
  %y = load i32*, i32** %x
  %z = load i32, i32* %y
  ret i32 %z
}

define i32 @caller() {
; CHECK-LABEL: define {{[^@]+}}@caller()
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[X:%.*]] = call i32 @test()
; CHECK-NEXT:    ret i32 [[X]]
;
entry:
  %x = call i32 @test(i32** @G2)
  ret i32 %x
}