| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s |
| |
| void *__attribute__((alloc_align(1))) alloc(int align); |
| |
| // CHECK-LABEL: @t0( |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 4 |
| // CHECK-NEXT: store i32 [[ALIGN:%.*]], i32* [[ALIGN_ADDR]], align 4 |
| // CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ALIGN_ADDR]], align 4 |
| // CHECK-NEXT: [[CALL:%.*]] = call i8* @alloc(i32 [[TMP0]]) |
| // CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64 |
| // CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[CALL]], i64 [[TMP1]]) ] |
| // CHECK-NEXT: ret void |
| // |
| void t0(int align) { |
| alloc(align); |
| } |
| // CHECK-LABEL: @t1( |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 4 |
| // CHECK-NEXT: store i32 [[ALIGN:%.*]], i32* [[ALIGN_ADDR]], align 4 |
| // CHECK-NEXT: [[CALL:%.*]] = call i8* @alloc(i32 7) |
| // CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[CALL]], i64 7) ] |
| // CHECK-NEXT: ret void |
| // |
| void t1(int align) { |
| alloc(7); |
| } |
| // CHECK-LABEL: @t2( |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 4 |
| // CHECK-NEXT: store i32 [[ALIGN:%.*]], i32* [[ALIGN_ADDR]], align 4 |
| // CHECK-NEXT: [[CALL:%.*]] = call align 8 i8* @alloc(i32 8) |
| // CHECK-NEXT: ret void |
| // |
| void t2(int align) { |
| alloc(8); |
| } |
