| /* RUN: %clang_cc1 -std=c89 -emit-llvm -o - %s | FileCheck %s |
| RUN: %clang_cc1 -std=c99 -emit-llvm -o - %s | FileCheck %s |
| RUN: %clang_cc1 -std=c11 -emit-llvm -o - %s | FileCheck %s |
| RUN: %clang_cc1 -std=c17 -emit-llvm -o - %s | FileCheck %s |
| RUN: %clang_cc1 -std=c2x -emit-llvm -o - %s | FileCheck %s |
| */ |
| |
| /* WG14 DR094: yes |
| * Are constraints on function return the same as assignment? |
| */ |
| |
| float func(void) { return 1.0f; } |
| void other_func(void) { |
| int i; |
| float f; |
| |
| /* Test that there's been a conversion from float to int. */ |
| i = func(); |
| // CHECK: %call = call float @func() |
| // CHECK-NEXT: %conv = fptosi float %call to i32 |
| // CHECK-NEXT: store i32 %conv, ptr %i, align 4 |
| |
| /* Test that the conversion looks the same as an assignment. */ |
| i = f; |
| // CHECK: %0 = load float, ptr %f, align 4 |
| // CHECK-NEXT: %conv1 = fptosi float %0 to i32 |
| // CHECK-NEXT: store i32 %conv1, ptr %i, align 4 |
| } |
| |