64 lines
1.7 KiB
LLVM
64 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=ipsccp -S < %s | FileCheck %s
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;
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; #include <pthread.h>
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;
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; ptr GlobalVPtr;
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;
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; static ptr foo(ptr arg) { return arg; }
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; static ptr bar(ptr arg) { return arg; }
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;
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; int main() {
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; pthread_t thread;
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; pthread_create(&thread, NULL, foo, NULL);
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; pthread_create(&thread, NULL, bar, &GlobalVPtr);
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; return 0;
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; }
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;
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; Verify the constant values NULL and &GlobalVPtr are propagated into foo and
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; bar, respectively.
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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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%union.pthread_attr_t = type { i64, [48 x i8] }
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@GlobalVPtr = common dso_local global ptr null, align 8
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define dso_local i32 @main() {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[THREAD:%.*]] = alloca i64, align 8
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; CHECK-NEXT: [[CALL:%.*]] = call i32 @pthread_create(ptr nonnull [[THREAD]], ptr null, ptr nonnull @foo, ptr null)
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; CHECK-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr nonnull [[THREAD]], ptr null, ptr nonnull @bar, ptr @GlobalVPtr)
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; CHECK-NEXT: ret i32 0
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;
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entry:
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%thread = alloca i64, align 8
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%call = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @foo, ptr null)
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%call1 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @bar, ptr @GlobalVPtr)
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ret i32 0
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}
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declare !callback !0 dso_local i32 @pthread_create(ptr, ptr, ptr, ptr)
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define internal ptr @foo(ptr %arg) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret ptr [[ARG:%.*]]
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;
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entry:
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ret ptr %arg
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}
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define internal ptr @bar(ptr %arg) {
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; CHECK-LABEL: @bar(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret ptr [[ARG:%.*]]
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;
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entry:
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ret ptr %arg
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}
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!1 = !{i64 2, i64 3, i1 false}
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!0 = !{!1}
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