| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py |
| // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| void *nonconst(void); |
| |
| // CHECK-LABEL: @test1( |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: store ptr [[A:%.*]], ptr [[A_ADDR]], align 8 |
| // CHECK-NEXT: store ptr [[B:%.*]], ptr [[B_ADDR]], align 8 |
| // CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[B_ADDR]], align 8 |
| // CHECK-NEXT: call void @llvm.assume(i1 true) [ "separate_storage"(ptr [[TMP0]], ptr [[TMP1]]) ] |
| // CHECK-NEXT: ret void |
| // |
| void test1(int *a, int *b) { |
| |
| __builtin_assume_separate_storage(a, b); |
| } |
| |
| // Separate storage assumptions evaluate their arguments unconditionally, like |
| // assume_aligned but *unlike* assume. Check that we actually do so. |
| // CHECK-LABEL: @test2( |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: store ptr [[A:%.*]], ptr [[A_ADDR]], align 8 |
| // CHECK-NEXT: store ptr [[B:%.*]], ptr [[B_ADDR]], align 8 |
| // CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8 |
| // CHECK-NEXT: [[CALL:%.*]] = call ptr @nonconst() |
| // CHECK-NEXT: call void @llvm.assume(i1 true) [ "separate_storage"(ptr [[TMP0]], ptr [[CALL]]) ] |
| // CHECK-NEXT: ret void |
| // |
| void test2(int *a, int *b) { |
| __builtin_assume_separate_storage(a, nonconst()); |
| } |
