mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-27 22:46:05 +00:00
59169036ca
Tune SemaInit code handling #embed to take into account how many array elements remains to initialize. Also issue a warning/error message when the array/struct is at the end but there is still #embed data left. Fixes https://github.com/llvm/llvm-project/issues/128987
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
// RUN: %clang_cc1 -std=c23 -emit-llvm -triple x86_64 %s -o - | FileCheck %s
|
|
|
|
struct S {
|
|
int arr[3];
|
|
};
|
|
|
|
struct S1 {
|
|
struct S s;
|
|
};
|
|
|
|
// CHECK: @[[BConst:.*]] = private unnamed_addr constant [2 x i32] [i32 47, i32 47]
|
|
// CHECK: @[[DConst:.*]] = private unnamed_addr constant [2 x i8] c"//"
|
|
// CHECK: @[[SConst:.*]] = private unnamed_addr constant %struct.S { [3 x i32] [i32 47, i32 47, i32 32] }
|
|
// CHECK: @[[S1Const:.*]] = private unnamed_addr constant %struct.S1 { %struct.S { [3 x i32] [i32 47, i32 47, i32 32] } }
|
|
|
|
void cases(int x) {
|
|
int a[3] = {x, x,
|
|
#embed __FILE__
|
|
};
|
|
|
|
int b[2] = {
|
|
#embed __FILE__
|
|
};
|
|
|
|
char d[2] = {
|
|
#embed __FILE__
|
|
};
|
|
|
|
struct S s = {
|
|
#embed __FILE__
|
|
, x
|
|
};
|
|
|
|
struct S1 s1 = {
|
|
#embed __FILE__
|
|
, x
|
|
};
|
|
}
|
|
// CHECK: define dso_local void @cases(i32 noundef %[[X:.*]])
|
|
// CHECK: %[[A:.*]] = alloca [3 x i32]
|
|
// CHECK: %[[B:.*]] = alloca [2 x i32]
|
|
// CHECK: %[[D:.*]] = alloca [2 x i8]
|
|
// CHECK: %[[S:.*]] = alloca %struct.S
|
|
// CHECK: %[[S1:.*]] = alloca %struct.S1
|
|
// CHECK: %[[LX:.*]] = load i32, ptr %[[X]].addr
|
|
// CHECK: store i32 %[[LX]], ptr %[[A]]
|
|
// CHECK: %[[GEP1:.*]] = getelementptr inbounds i32, ptr %[[A]], i64 1
|
|
// CHECK: %[[LX1:.*]] = load i32, ptr %[[X]].addr
|
|
// CHECK: store i32 %1, ptr %arrayinit.element
|
|
// CHECK: %[[GEP1:.*]] = getelementptr inbounds i32, ptr %[[A]], i64 2
|
|
// CHECK: store i32 47, ptr %[[GEP1]]
|
|
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[B]], ptr align 4 @[[BConst]], i64 8, i1 false)
|
|
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %[[D]], ptr align 1 @[[DConst]], i64 2, i1 false)
|
|
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[S]], ptr align 4 @[[SConst]], i64 12, i1 false)
|
|
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[S1]], ptr align 4 @[[S1Const]], i64 12, i1 false)
|