5cc5fce4b0
There seems to be another instance of non-determinism which causes the number of iterations to be either 1 or 3 for one benchmark, depending on the system. This needs to be investigated and resolved. In the meantime we do not verify the number of iterations for this benchmark.
92 lines
2.8 KiB
LLVM
92 lines
2.8 KiB
LLVM
; RUN: opt -ipconstprop -S < %s | FileCheck %s
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; FIXME: There seems to be another instance of nondeterminism which causes the number of iterations to be either 1 or 3, depending on the system.
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; This needs to be investigated and resolved. In the meantime we do not verify the number of iterations.
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; opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=1 < %s | FileCheck %s
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; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify=false -attributor-max-iterations=3 < %s | FileCheck %s
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;
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;
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; /---------------------------------------|
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; | /----------------------|----|
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; | | /-----| |
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; V V V | |
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; void broker(int (*cb0)(int), int (*cb1)(int), int (*cb2)(int), int, int);
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;
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; static int cb0(int zero) {
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; return zero;
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; }
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; static int cb1(int unknown) {
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; return unknown;
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; }
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; static int cb2(int unknown) {
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; cb0(0);
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; return unknown;
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; }
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; static int cb3(int unknown) {
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; return unknown;
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; }
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; static int cb4(int unknown) {
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; return unknown;
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; }
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;
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; void foo() {
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; cb0(0);
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; cb3(1);
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; broker(cb0, cb1, cb0, 0, 1);
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; broker(cb1, cb2, cb2, 0, 1);
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; broker(cb3, cb2, cb3, 0, 1);
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; broker(cb4, cb4, cb4, 0, 1);
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define internal i32 @cb0(i32 %zero) {
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entry:
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; CHECK: @cb0
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; CHECK-NEXT: entry
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; CHECK-NEXT: ret i32 0
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ret i32 %zero
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}
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define internal i32 @cb1(i32 %unknown) {
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entry:
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; CHECK: ret i32 %unknown
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ret i32 %unknown
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}
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define internal i32 @cb2(i32 %unknown) {
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entry:
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%call = call i32 @cb0(i32 0)
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; CHECK: ret i32 %unknown
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ret i32 %unknown
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}
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define internal i32 @cb3(i32 %unknown) {
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entry:
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; CHECK: ret i32 %unknown
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ret i32 %unknown
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}
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define internal i32 @cb4(i32 %unknown) {
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entry:
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; CHECK: ret i32 %unknown
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ret i32 %unknown
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}
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define void @foo() {
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entry:
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%call = call i32 @cb0(i32 0)
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%call1 = call i32 @cb3(i32 1)
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call void @broker(i32 (i32)* nonnull @cb0, i32 (i32)* nonnull @cb1, i32 (i32)* nonnull @cb0, i32 0, i32 1)
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call void @broker(i32 (i32)* nonnull @cb1, i32 (i32)* nonnull @cb2, i32 (i32)* nonnull @cb2, i32 0, i32 1)
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call void @broker(i32 (i32)* nonnull @cb3, i32 (i32)* nonnull @cb2, i32 (i32)* nonnull @cb3, i32 0, i32 1)
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call void @broker(i32 (i32)* nonnull @cb4, i32 (i32)* nonnull @cb4, i32 (i32)* nonnull @cb4, i32 0, i32 1)
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ret void
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}
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declare !callback !3 void @broker(i32 (i32)*, i32 (i32)*, i32 (i32)*, i32, i32)
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!0 = !{i64 0, i64 3, i1 false}
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!1 = !{i64 1, i64 4, i1 false}
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!2 = !{i64 2, i64 3, i1 false}
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!3 = !{!0, !2, !1}
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