| Hal Finkel | bcc0608 | 2014-09-07 22:58:14 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| Hal Finkel | 3e49fda | 2014-07-16 22:44:54 +0000 | [diff] [blame] | 2 | // RUN: %clang_cc1 -triple i386-mingw32 -fms-extensions -emit-llvm -o - %s | FileCheck %s |
| 3 | |
| 4 | // CHECK-LABEL: @test1 |
| Hal Finkel | bcc0608 | 2014-09-07 22:58:14 +0000 | [diff] [blame^] | 5 | int test1(int *a, int i) { |
| 6 | // CHECK: %0 = load i32** %a.addr |
| 7 | // CHECK: %cmp = icmp ne i32* %0, null |
| 8 | // CHECK: call void @llvm.assume(i1 %cmp) |
| 9 | #ifdef _MSC_VER |
| 10 | __assume(a != 0) |
| 11 | #else |
| 12 | __builtin_assume(a != 0); |
| 13 | #endif |
| 14 | |
| 15 | // Nothing is generated for an assume with side effects... |
| 16 | // CHECK-NOT: load i32** %i.addr |
| 17 | // CHECK-NOT: call void @llvm.assume |
| 18 | #ifdef _MSC_VER |
| 19 | __assume(++i != 0) |
| 20 | #else |
| 21 | __builtin_assume(++i != 0); |
| 22 | #endif |
| 23 | |
| Hal Finkel | 3e49fda | 2014-07-16 22:44:54 +0000 | [diff] [blame] | 24 | return a[0]; |
| 25 | } |
| 26 | |