| // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s |
| // Check that no empty blocks are generated for nested ifs. |
| |
| extern void func(); |
| |
| int f0(int val) { |
| if (val == 0) { |
| func(); |
| } else if (val == 1) { |
| func(); |
| } |
| return 0; |
| } |
| |
| // CHECK-LABEL: define {{.*}}i32 @f0 |
| // CHECK: call void {{.*}} @func |
| // CHECK: call void {{.*}} @func |
| // CHECK: br label %[[RETBLOCK1:[^ ]*]] |
| // CHECK: [[RETBLOCK1]]: |
| // CHECK-NOT: br label |
| // CHECK: ret i32 |
| |
| int f1(int val, int g) { |
| if (val == 0) |
| if (g == 1) { |
| func(); |
| } |
| return 0; |
| } |
| |
| // CHECK-LABEL: define {{.*}}i32 @f1 |
| // CHECK: call void {{.*}} @func |
| // CHECK: br label %[[RETBLOCK2:[^ ]*]] |
| // CHECK: [[RETBLOCK2]]: |
| // CHECK-NOT: br label |
| // CHECK: ret i32 |
