40 lines · c
1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py2// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s3 4void *__attribute__((alloc_align(1))) alloc(int align);5 6// CHECK-LABEL: @t0(7// CHECK-NEXT: entry:8// CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 49// CHECK-NEXT: store i32 [[ALIGN:%.*]], ptr [[ALIGN_ADDR]], align 410// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[ALIGN_ADDR]], align 411// CHECK-NEXT: [[CALL:%.*]] = call ptr @alloc(i32 noundef [[TMP0]])12// CHECK-NEXT: [[CASTED_ALIGN:%.*]] = zext i32 [[TMP0]] to i6413// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[CALL]], i64 [[CASTED_ALIGN]]) ]14// CHECK-NEXT: ret void15//16void t0(int align) {17 alloc(align);18}19// CHECK-LABEL: @t1(20// CHECK-NEXT: entry:21// CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 422// CHECK-NEXT: store i32 [[ALIGN:%.*]], ptr [[ALIGN_ADDR]], align 423// CHECK-NEXT: [[CALL:%.*]] = call ptr @alloc(i32 noundef 7)24// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[CALL]], i64 7) ]25// CHECK-NEXT: ret void26//27void t1(int align) {28 alloc(7);29}30// CHECK-LABEL: @t2(31// CHECK-NEXT: entry:32// CHECK-NEXT: [[ALIGN_ADDR:%.*]] = alloca i32, align 433// CHECK-NEXT: store i32 [[ALIGN:%.*]], ptr [[ALIGN_ADDR]], align 434// CHECK-NEXT: [[CALL:%.*]] = call align 8 ptr @alloc(i32 noundef 8)35// CHECK-NEXT: ret void36//37void t2(int align) {38 alloc(8);39}40