derek.holloway
7502bf64a4
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47 lines
2.3 KiB
C++
47 lines
2.3 KiB
C++
// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu %s -fclangir -emit-cir -o %t.cir
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// RUN: FileCheck --input-file=%t.cir -check-prefix=CIR %s
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// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu %s -fclangir -emit-llvm -o %t-cir.ll
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// RUN: FileCheck --input-file=%t-cir.ll -check-prefix=LLVM %s
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// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu %s -emit-llvm -o %t.ll
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// RUN: FileCheck --input-file=%t.ll -check-prefix=OGCG %s
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void t1() {
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int *p1 = nullptr;
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int *p2 = 0;
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int *p3 = (int*)0;
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}
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// CIR: cir.func{{.*}} @_Z2t1v()
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// CIR-NEXT: %[[P1:.*]] = cir.alloca !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>, ["p1", init] {alignment = 8 : i64}
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// CIR-NEXT: %[[P2:.*]] = cir.alloca !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>, ["p2", init] {alignment = 8 : i64}
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// CIR-NEXT: %[[P3:.*]] = cir.alloca !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>, ["p3", init] {alignment = 8 : i64}
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// CIR-NEXT: %[[NULLPTR1:.*]] = cir.const #cir.ptr<null> : !cir.ptr<!s32i>
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// CIR-NEXT: cir.store{{.*}} %[[NULLPTR1]], %[[P1]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>
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// CIR-NEXT: %[[NULLPTR2:.*]] = cir.const #cir.ptr<null> : !cir.ptr<!s32i>
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// CIR-NEXT: cir.store{{.*}} %[[NULLPTR2]], %[[P2]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>
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// CIR-NEXT: %[[NULLPTR3:.*]] = cir.const #cir.ptr<null> : !cir.ptr<!s32i>
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// CIR-NEXT: cir.store{{.*}} %[[NULLPTR3]], %[[P3]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>
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// CIR-NEXT: cir.return
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// CIR-NEXT: }
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// LLVM: define{{.*}} @_Z2t1v()
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// LLVM-NEXT: %[[P1:.*]] = alloca ptr, i64 1, align 8
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// LLVM-NEXT: %[[P2:.*]] = alloca ptr, i64 1, align 8
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// LLVM-NEXT: %[[P3:.*]] = alloca ptr, i64 1, align 8
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// LLVM-NEXT: store ptr null, ptr %[[P1]], align 8
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// LLVM-NEXT: store ptr null, ptr %[[P2]], align 8
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// LLVM-NEXT: store ptr null, ptr %[[P3]], align 8
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// LLVM-NEXT: ret void
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// LLVM-NEXT: }
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// OGCG: define{{.*}} @_Z2t1v()
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// OGCG-NEXT: entry:
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// OGCG-NEXT: %[[P1:.*]] = alloca ptr, align 8
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// OGCG-NEXT: %[[P2:.*]] = alloca ptr, align 8
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// OGCG-NEXT: %[[P3:.*]] = alloca ptr, align 8
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// OGCG-NEXT: store ptr null, ptr %[[P1]], align 8
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// OGCG-NEXT: store ptr null, ptr %[[P2]], align 8
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// OGCG-NEXT: store ptr null, ptr %[[P3]], align 8
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// OGCG-NEXT: ret void
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// OGCG-NEXT: }
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