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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -S -basicaa -attributor -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=3 < %s | FileCheck %s --check-prefixes=CHECK,OLDPM_MODULE
; RUN: opt -S -passes='attributor' -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=3 < %s | FileCheck %s --check-prefixes=CHECK,NEWPM_MODULE
; OLDPM_MODULE-NOT: @dead
; NEWPM_MODULE-NOT: @dead
define internal void @dead() {
call i32 @test(i32* null, i32* null)
ret void
}
define internal i32 @test(i32* %X, i32* %Y) {
; CHECK-LABEL: define {{[^@]+}}@test()
; CHECK-NEXT: br i1 true, label [[LIVE:%.*]], label [[DEAD:%.*]]
; CHECK: live:
; CHECK-NEXT: ret i32 0
; CHECK: dead:
; CHECK-NEXT: unreachable
;
br i1 true, label %live, label %dead
live:
ret i32 0
dead:
call i32 @caller(i32* null)
call void @dead()
ret i32 1
}
define internal i32 @caller(i32* %B) {
; CHECK-LABEL: define {{[^@]+}}@caller()
; CHECK-NEXT: [[A:%.*]] = alloca i32
; CHECK-NEXT: store i32 1, i32* [[A]], align 4
; CHECK-NEXT: [[C:%.*]] = call i32 @test()
; CHECK-NEXT: ret i32 0
;
%A = alloca i32
store i32 1, i32* %A
%C = call i32 @test(i32* %A, i32* %B)
ret i32 %C
}
define i32 @callercaller() {
; CHECK-LABEL: define {{[^@]+}}@callercaller()
; CHECK-NEXT: [[B:%.*]] = alloca i32
; CHECK-NEXT: store i32 2, i32* [[B]], align 4
; CHECK-NEXT: [[X:%.*]] = call i32 @caller()
; CHECK-NEXT: ret i32 0
;
%B = alloca i32
store i32 2, i32* %B
%X = call i32 @caller(i32* %B)
ret i32 %X
}
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