1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2 // RUN: %clang_cc1 -triple i386-mingw32 -fms-extensions -emit-llvm -o - %s | FileCheck %s
3
4 // CHECK-LABEL: @test1
test1(int * a,int i)5 int test1(int *a, int i) {
6 // CHECK: store i32* %a, i32** [[A_ADDR:%.+]], align
7 // CHECK: [[A:%.+]] = load i32** [[A_ADDR]]
8 // CHECK: [[CMP:%.+]] = icmp ne i32* [[A]], null
9 // CHECK: call void @llvm.assume(i1 [[CMP]])
10 #ifdef _MSC_VER
11 __assume(a != 0)
12 #else
13 __builtin_assume(a != 0);
14 #endif
15
16 // Nothing is generated for an assume with side effects...
17 // CHECK-NOT: load i32** %i.addr
18 // CHECK-NOT: call void @llvm.assume
19 #ifdef _MSC_VER
20 __assume(++i != 0)
21 #else
22 __builtin_assume(++i != 0);
23 #endif
24
25 return a[0];
26 }
27
28