| 1 | // RUN: %clang_cc1 -triple le32-unknown-nacl %s -emit-llvm -o - | FileCheck %s |
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| 2 | |
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| 3 | // Basic argument/attribute tests for le32/PNaCl |
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| 4 | |
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| 5 | // CHECK-LABEL: define void @f0(i32 %i, i32 %j, double %k) |
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| 6 | void f0(int i, long j, double k) {} |
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| 7 | |
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| 8 | typedef struct { |
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| 9 | int aa; |
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| 10 | int bb; |
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| 11 | } s1; |
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| 12 | // Structs should be passed byval and not split up |
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| 13 | // CHECK-LABEL: define void @f1(%struct.s1* byval align 4 %i) |
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| 14 | void f1(s1 i) {} |
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| 15 | |
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| 16 | typedef struct { |
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| 17 | int cc; |
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| 18 | } s2; |
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| 19 | // Structs should be returned sret and not simplified by the frontend |
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| 20 | // CHECK-LABEL: define void @f2(%struct.s2* noalias sret %agg.result) |
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| 21 | s2 f2() { |
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| 22 | s2 foo; |
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| 23 | return foo; |
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| 24 | } |
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| 25 | |
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| 26 | // CHECK-LABEL: define void @f3(i64 %i) |
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| 27 | void f3(long long i) {} |
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| 28 | |
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| 29 | // i8/i16 should be signext, i32 and higher should not |
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| 30 | // CHECK-LABEL: define void @f4(i8 signext %a, i16 signext %b) |
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| 31 | void f4(char a, short b) {} |
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| 32 | |
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| 33 | // CHECK-LABEL: define void @f5(i8 zeroext %a, i16 zeroext %b) |
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| 34 | void f5(unsigned char a, unsigned short b) {} |
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| 35 | |
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| 36 | |
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| 37 | enum my_enum { |
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| 38 | ENUM1, |
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| 39 | ENUM2, |
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| 40 | ENUM3, |
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| 41 | }; |
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| 42 | // Enums should be treated as the underlying i32 |
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| 43 | // CHECK-LABEL: define void @f6(i32 %a) |
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| 44 | void f6(enum my_enum a) {} |
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| 45 | |
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| 46 | union simple_union { |
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| 47 | int a; |
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| 48 | char b; |
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| 49 | }; |
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| 50 | // Unions should be passed as byval structs |
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| 51 | // CHECK-LABEL: define void @f7(%union.simple_union* byval align 4 %s) |
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| 52 | void f7(union simple_union s) {} |
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| 53 | |
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| 54 | typedef struct { |
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| 55 | int b4 : 4; |
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| 56 | int b3 : 3; |
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| 57 | int b8 : 8; |
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| 58 | } bitfield1; |
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| 59 | // Bitfields should be passed as byval structs |
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| 60 | // CHECK-LABEL: define void @f8(%struct.bitfield1* byval align 4 %bf1) |
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| 61 | void f8(bitfield1 bf1) {} |
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| 62 | |
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