e360ee6265
As in IPConstantProp, thread-dependent constants need not be propagated over callbacks. Took the comment and test from there, see also D56447.
44 lines
1.3 KiB
LLVM
44 lines
1.3 KiB
LLVM
; RUN: opt -ipconstprop -S < %s | FileCheck %s
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; RUN: 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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;
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; #include <threads.h>
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; thread_local int gtl = 0;
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; int gsh = 0;
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;
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; static int callee(int *thread_local_ptr, int *shared_ptr) {
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; return *thread_local_ptr + *shared_ptr;
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; }
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;
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; void broker(int *, int (*callee)(int *, int *), int *);
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;
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; void caller() {
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; broker(>l, callee, &gsh);
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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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@gtl = dso_local thread_local global i32 0, align 4
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@gsh = dso_local global i32 0, align 4
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define internal i32 @callee(i32* %thread_local_ptr, i32* %shared_ptr) {
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entry:
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; CHECK: %tmp = load i32, i32* %thread_local_ptr, align 4
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; CHECK: %tmp1 = load i32, i32* @gsh, align 4
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; CHECK: %add = add nsw i32 %tmp, %tmp1
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%tmp = load i32, i32* %thread_local_ptr, align 4
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%tmp1 = load i32, i32* %shared_ptr, align 4
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%add = add nsw i32 %tmp, %tmp1
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ret i32 %add
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}
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define dso_local void @caller() {
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entry:
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call void @broker(i32* nonnull @gtl, i32 (i32*, i32*)* nonnull @callee, i32* nonnull @gsh)
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ret void
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}
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declare !callback !0 dso_local void @broker(i32*, i32 (i32*, i32*)*, i32*)
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!1 = !{i64 1, i64 0, i64 2, i1 false}
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!0 = !{!1}
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