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https://github.com/c3lang/c3c.git
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95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
module pointer_index;
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fn void test1(int* x)
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{
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int a = x[0];
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int b = *x;
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int c = x[1];
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int d = x[-1];
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}
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fn void test2(char* x)
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{
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char a = x[0];
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char b = *x;
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char c = x[1];
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}
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fn void test3(long* x)
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{
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long a = x[0];
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long b = *x;
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long c = x[1];
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}
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// #expect: pointer_index.ll
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define void @pointer_index.test1(i32* %0) #0 {
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entry:
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%x = alloca i32*, align 8
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%a = alloca i32, align 4
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%b = alloca i32, align 4
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%c = alloca i32, align 4
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%d = alloca i32, align 4
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store i32* %0, i32** %x, align 8
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%1 = load i32*, i32** %x, align 8
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%ptroffset = getelementptr inbounds i32, i32* %1, i64 0
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%2 = load i32, i32* %ptroffset, align 4
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store i32 %2, i32* %a, align 4
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%3 = load i32*, i32** %x, align 8
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%4 = load i32, i32* %3, align 8
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store i32 %4, i32* %b, align 4
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%5 = load i32*, i32** %x, align 8
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%ptroffset1 = getelementptr inbounds i32, i32* %5, i64 1
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%6 = load i32, i32* %ptroffset1, align 4
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store i32 %6, i32* %c, align 4
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%7 = load i32*, i32** %x, align 8
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%ptroffset2 = getelementptr inbounds i32, i32* %7, i64 -1
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%8 = load i32, i32* %ptroffset2, align 4
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store i32 %8, i32* %d, align 4
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ret void
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}
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; Function Attrs: nounwind
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define void @pointer_index.test2(i8* %0) #0 {
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entry:
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%x = alloca i8*, align 8
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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%c = alloca i8, align 1
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store i8* %0, i8** %x, align 8
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%1 = load i8*, i8** %x, align 8
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%ptroffset = getelementptr inbounds i8, i8* %1, i64 0
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%2 = load i8, i8* %ptroffset, align 1
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store i8 %2, i8* %a, align 1
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%3 = load i8*, i8** %x, align 8
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%4 = load i8, i8* %3, align 8
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store i8 %4, i8* %b, align 1
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%5 = load i8*, i8** %x, align 8
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%ptroffset1 = getelementptr inbounds i8, i8* %5, i64 1
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%6 = load i8, i8* %ptroffset1, align 1
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store i8 %6, i8* %c, align 1
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ret void
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}
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define void @pointer_index.test3(i64* %0) #0 {
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entry:
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%x = alloca i64*, align 8
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%a = alloca i64, align 8
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%b = alloca i64, align 8
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%c = alloca i64, align 8
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store i64* %0, i64** %x, align 8
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%1 = load i64*, i64** %x, align 8
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%ptroffset = getelementptr inbounds i64, i64* %1, i64 0
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%2 = load i64, i64* %ptroffset, align 8
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store i64 %2, i64* %a, align 8
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%3 = load i64*, i64** %x, align 8
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%4 = load i64, i64* %3, align 8
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store i64 %4, i64* %b, align 8
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%5 = load i64*, i64** %x, align 8
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%ptroffset1 = getelementptr inbounds i64, i64* %5, i64 1
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%6 = load i64, i64* %ptroffset1, align 8
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store i64 %6, i64* %c, align 8
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ret void
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}
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