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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes
; RUN: opt -passes=ipsccp -S %s | FileCheck %s
;
;
; /---------------------------------------|
; | /----------------------|----|
; | | /-----| |
; V V V | |
; void broker(int (*cb0)(int), int (*cb1)(int), int (*cb2)(int), int, int);
;
; static int cb0(int zero) {
; return zero;
; }
; static int cb1(int unknown) {
; return unknown;
; }
; static int cb2(int unknown) {
; cb0(0);
; return unknown;
; }
; static int cb3(int unknown) {
; return unknown;
; }
; static int cb4(int unknown) {
; return unknown;
; }
;
; void foo() {
; cb0(0);
; cb3(1);
; broker(cb0, cb1, cb0, 0, 1);
; broker(cb1, cb2, cb2, 0, 1);
; broker(cb3, cb2, cb3, 0, 1);
; broker(cb4, cb4, cb4, 0, 1);
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define internal i32 @cb0(i32 %zero) {
; CHECK-LABEL: @cb0(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 [[ZERO:%.*]]
;
entry:
ret i32 %zero
}
define internal i32 @cb1(i32 %unknown) {
; CHECK-LABEL: @cb1(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 [[UNKNOWN:%.*]]
;
entry:
ret i32 %unknown
}
define internal i32 @cb2(i32 %unknown) {
; CHECK-LABEL: @cb2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = call i32 @cb0(i32 0)
; CHECK-NEXT: ret i32 [[UNKNOWN:%.*]]
;
entry:
%call = call i32 @cb0(i32 0)
ret i32 %unknown
}
define internal i32 @cb3(i32 %unknown) {
; CHECK-LABEL: @cb3(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 [[UNKNOWN:%.*]]
;
entry:
ret i32 %unknown
}
define internal i32 @cb4(i32 %unknown) {
; CHECK-LABEL: @cb4(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 [[UNKNOWN:%.*]]
;
entry:
ret i32 %unknown
}
define void @foo() {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = call i32 @cb0(i32 0)
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @cb3(i32 1)
; CHECK-NEXT: call void @broker(ptr nonnull @cb0, ptr nonnull @cb1, ptr nonnull @cb0, i32 0, i32 1)
; CHECK-NEXT: call void @broker(ptr nonnull @cb1, ptr nonnull @cb2, ptr nonnull @cb2, i32 0, i32 1)
; CHECK-NEXT: call void @broker(ptr nonnull @cb3, ptr nonnull @cb2, ptr nonnull @cb3, i32 0, i32 1)
; CHECK-NEXT: call void @broker(ptr nonnull @cb4, ptr nonnull @cb4, ptr nonnull @cb4, i32 0, i32 1)
; CHECK-NEXT: ret void
;
entry:
%call = call i32 @cb0(i32 0)
%call1 = call i32 @cb3(i32 1)
call void @broker(ptr nonnull @cb0, ptr nonnull @cb1, ptr nonnull @cb0, i32 0, i32 1)
call void @broker(ptr nonnull @cb1, ptr nonnull @cb2, ptr nonnull @cb2, i32 0, i32 1)
call void @broker(ptr nonnull @cb3, ptr nonnull @cb2, ptr nonnull @cb3, i32 0, i32 1)
call void @broker(ptr nonnull @cb4, ptr nonnull @cb4, ptr nonnull @cb4, i32 0, i32 1)
ret void
}
declare !callback !3 void @broker(ptr, ptr, ptr, i32, i32)
!0 = !{i64 0, i64 3, i1 false}
!1 = !{i64 1, i64 4, i1 false}
!2 = !{i64 2, i64 3, i1 false}
!3 = !{!0, !2, !1}
|
