1c3e0fb406fb6fe83566dc6d8b05362e0a2c1e191Eli Friedman// RUN: %clang_cc1 -w -fblocks -triple i386-apple-darwin9 -target-cpu yonah -emit-llvm -o - %s | FileCheck %s 2e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 3d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define signext i8 @f0() 4e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbarchar f0(void) { 5c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 6e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar} 7e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 8d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define signext i16 @f1() 9e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbarshort f1(void) { 10c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 11e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar} 12e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 13d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i32 @f2() 14e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbarint f2(void) { 15c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 16e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar} 17e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 18d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define float @f3() 19e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbarfloat f3(void) { 20c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 21e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar} 22e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 23d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define double @f4() 24e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbardouble f4(void) { 25c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 26e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar} 27e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 28d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define x86_fp80 @f5() 29e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbarlong double f5(void) { 30c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 31e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar} 32e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 33d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f6(i8 signext %a0, i16 signext %a1, i32 %a2, i64 %a3, i8* %a4) 34c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpvoid f6(char a0, short a1, int a2, long long a3, void *a4) {} 35e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 36d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f7(i32 %a0) 37d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbartypedef enum { A, B, C } e7; 38d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbarvoid f7(e7 a0) {} 39e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 40d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i64 @f8_1() 41d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f8_2(i32 %a0.0, i32 %a0.1) 42e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbarstruct s8 { 43e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar int a; 44e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar int b; 45e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar}; 46c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s8 f8_1(void) { while (1) {} } 47c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpvoid f8_2(struct s8 a0) {} 48e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 49e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar// This should be passed just as s8. 50e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 51d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i64 @f9_1() 52cf6bde343ff5653744ca782e04d5a9c54b260042Daniel Dunbar 53eedd292ea0cf2216ff16d3490147323489102e3aDaniel Dunbar// FIXME: llvm-gcc expands this, this may have some value for the 54eedd292ea0cf2216ff16d3490147323489102e3aDaniel Dunbar// backend in terms of optimization but doesn't change the ABI. 55de92d739ba0ef42a5a7dcfd6e170329549d0716bChris Lattner// CHECK: define void @f9_2(%struct.s9* byval align 4 %a0) 56e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbarstruct s9 { 57e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar int a : 17; 58e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar int b; 59e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar}; 60c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s9 f9_1(void) { while (1) {} } 61c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpvoid f9_2(struct s9 a0) {} 62e06a75f4c8ea30b6a99d5aa1dce5feda64da09c6Daniel Dunbar 63dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar// Return of small structures and unions 645bde6f41506535ddaf6e9ff60bd1488db8ded952Daniel Dunbar 65d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: float @f10() 665bde6f41506535ddaf6e9ff60bd1488db8ded952Daniel Dunbarstruct s10 { 675bde6f41506535ddaf6e9ff60bd1488db8ded952Daniel Dunbar union { }; 685bde6f41506535ddaf6e9ff60bd1488db8ded952Daniel Dunbar float f; 69c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump} f10(void) { while (1) {} } 705bde6f41506535ddaf6e9ff60bd1488db8ded952Daniel Dunbar 71dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar// Small vectors and 1 x {i64,double} are returned in registers 72360431660b2245a109f5c6870729126dbcdea254Daniel Dunbar 73d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: i32 @f11() 74410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f12(<2 x i32>* noalias sret %agg.result) 75d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: i64 @f13() 76d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: i64 @f14() 77d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: <2 x i64> @f15() 78d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: <2 x i64> @f16() 79360431660b2245a109f5c6870729126dbcdea254Daniel Dunbartypedef short T11 __attribute__ ((vector_size (4))); 80c36541e7bfa69cc63e2668a986bc99117559c545Mike StumpT11 f11(void) { while (1) {} } 81360431660b2245a109f5c6870729126dbcdea254Daniel Dunbartypedef int T12 __attribute__ ((vector_size (8))); 82c36541e7bfa69cc63e2668a986bc99117559c545Mike StumpT12 f12(void) { while (1) {} } 83360431660b2245a109f5c6870729126dbcdea254Daniel Dunbartypedef long long T13 __attribute__ ((vector_size (8))); 84c36541e7bfa69cc63e2668a986bc99117559c545Mike StumpT13 f13(void) { while (1) {} } 85360431660b2245a109f5c6870729126dbcdea254Daniel Dunbartypedef double T14 __attribute__ ((vector_size (8))); 86c36541e7bfa69cc63e2668a986bc99117559c545Mike StumpT14 f14(void) { while (1) {} } 87dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbartypedef long long T15 __attribute__ ((vector_size (16))); 88c36541e7bfa69cc63e2668a986bc99117559c545Mike StumpT15 f15(void) { while (1) {} } 89dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbartypedef double T16 __attribute__ ((vector_size (16))); 90c36541e7bfa69cc63e2668a986bc99117559c545Mike StumpT16 f16(void) { while (1) {} } 91dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar 92dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar// And when the single element in a struct (but not for 64 and 93dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar// 128-bits). 94dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar 95d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: i32 @f17() 96410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f18(%{{.*}}* noalias sret %agg.result) 97410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f19(%{{.*}}* noalias sret %agg.result) 98410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f20(%{{.*}}* noalias sret %agg.result) 99410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f21(%{{.*}}* noalias sret %agg.result) 100410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f22(%{{.*}}* noalias sret %agg.result) 101c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { T11 a; } f17(void) { while (1) {} } 102c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { T12 a; } f18(void) { while (1) {} } 103c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { T13 a; } f19(void) { while (1) {} } 104c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { T14 a; } f20(void) { while (1) {} } 105c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { T15 a; } f21(void) { while (1) {} } 106c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { T16 a; } f22(void) { while (1) {} } 107dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar 108dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar// Single element structures are handled specially 109dfc6b80ee13a9102cd67e0b2398fa999eebcbf8eDaniel Dunbar 110d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: float @f23() 111d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: float @f24() 112d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: float @f25() 113c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { float a; } f23(void) { while (1) {} } 114c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { float a[1]; } f24(void) { while (1) {} } 115c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct { struct {} a; struct { float a[1]; } b; } f25(void) { while (1) {} } 1165bde6f41506535ddaf6e9ff60bd1488db8ded952Daniel Dunbar 117cf6bde343ff5653744ca782e04d5a9c54b260042Daniel Dunbar// Small structures are handled recursively 118d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: i32 @f26() 119410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f27(%struct.s27* noalias sret %agg.result) 120c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s26 { struct { char a, b; } a; struct { char a, b; } b; } f26(void) { while (1) {} } 121c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s27 { struct { char a, b, c; } a; struct { char a; } b; } f27(void) { while (1) {} } 122cf6bde343ff5653744ca782e04d5a9c54b260042Daniel Dunbar 123410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: void @f28(%struct.s28* noalias sret %agg.result) 124c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s28 { int a; int b[]; } f28(void) { while (1) {} } 125f7fff322debe0b7256fe4dbc1103a3c2b43c379aDaniel Dunbar 126d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i16 @f29() 127c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s29 { struct { } a[1]; char b; char c; } f29(void) { while (1) {} } 1288e03444e924665d4d90f5cfc0624c815256e0309Daniel Dunbar 129d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i16 @f30() 130c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s30 { char a; char b : 4; } f30(void) { while (1) {} } 131eedd292ea0cf2216ff16d3490147323489102e3aDaniel Dunbar 132d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define float @f31() 133c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s31 { char : 0; float b; char : 0; } f31(void) { while (1) {} } 134fcab2ca966d5176839f8698535e0d807bd968629Daniel Dunbar 135d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i32 @f32() 136c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s32 { char a; unsigned : 0; } f32(void) { while (1) {} } 1372e0011650fe149bf55916c6f25558bf9bfebf537Daniel Dunbar 138d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define float @f33() 139c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s33 { float a; long long : 0; } f33(void) { while (1) {} } 1402e0011650fe149bf55916c6f25558bf9bfebf537Daniel Dunbar 141d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define float @f34() 142c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s34 { struct { int : 0; } a; float b; } f34(void) { while (1) {} } 143573b907e8ba3b74fc69cddaf63496c7bb5994196Daniel Dunbar 144d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i16 @f35() 145c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s35 { struct { int : 0; } a; char b; char c; } f35(void) { while (1) {} } 146573b907e8ba3b74fc69cddaf63496c7bb5994196Daniel Dunbar 147d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i16 @f36() 148c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s36 { struct { int : 0; } a[2][10]; char b; char c; } f36(void) { while (1) {} } 149cc401dc651a91f53f9f9a39956732be8f537e7faDaniel Dunbar 150d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define float @f37() 151c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s37 { float c[1][1]; } f37(void) { while (1) {} } 152cc401dc651a91f53f9f9a39956732be8f537e7faDaniel Dunbar 153410ffb2bc5f072d58a73c14560345bcf77dec1ccJohn McCall// CHECK: define void @f38(%struct.s38* noalias sret %agg.result) 154c36541e7bfa69cc63e2668a986bc99117559c545Mike Stumpstruct s38 { char a[3]; short b; } f38(void) { while (1) {} } 155836a0641ba4109b2c1254eec247ba4d2731bc2b7Daniel Dunbar 156d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f39(%struct.s39* byval align 16 %x) 157a1e6de9171d10c3a3dde7fc2e8cf72cc98bf6362Eli Friedmantypedef int v39 __attribute((vector_size(16))); 158a1e6de9171d10c3a3dde7fc2e8cf72cc98bf6362Eli Friedmanstruct s39 { v39 x; }; 159a1e6de9171d10c3a3dde7fc2e8cf72cc98bf6362Eli Friedmanvoid f39(struct s39 x) {} 160a1e6de9171d10c3a3dde7fc2e8cf72cc98bf6362Eli Friedman 16155e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar// <rdar://problem/7247671> 162d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i32 @f40() 16355e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarenum e40 { ec0 = 0 }; 16455e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarenum e40 f40(void) { } 16555e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 166d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void ()* @f41() 16755e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbartypedef void (^vvbp)(void); 16855e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarvvbp f41(void) { } 16955e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 170d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i32 @f42() 17155e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s42 { enum e40 f0; } f42(void) { } 17255e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 173d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i64 @f43() 17455e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s43 { enum e40 f0; int f1; } f43(void) { } 17555e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 176bd4d3bcd2cd64d1bba29b2a52705b97d68ebccd5Eli Friedman// CHECK: define void ()* @f44() 17755e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s44 { vvbp f0; } f44(void) { } 17855e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 179d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define i64 @f45() 18055e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s45 { vvbp f0; int f1; } f45(void) { } 18155e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 182d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f46(i32 %a0) 18355e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarvoid f46(enum e40 a0) { } 18455e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 185d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f47(void ()* %a1) 18655e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarvoid f47(vvbp a1) { } 18755e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 188d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f48(i32 %a0.0) 18955e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s48 { enum e40 f0; }; 19055e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarvoid f48(struct s48 a0) { } 19155e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 192d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f49(i32 %a0.0, i32 %a0.1) 19355e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s49 { enum e40 f0; int f1; }; 19455e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarvoid f49(struct s49 a0) { } 19555e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 196d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f50(void ()* %a0.0) 19755e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s50 { vvbp f0; }; 19855e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarvoid f50(struct s50 a0) { } 19955e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 200d0ef54cb306ef3090ffd551733c491e1cae2a28dDaniel Dunbar// CHECK: define void @f51(void ()* %a0.0, i32 %a0.1) 20155e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarstruct s51 { vvbp f0; int f1; }; 20255e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbarvoid f51(struct s51 a0) { } 20355e59e139d9ebcaae16d710472e28edbcafac98aDaniel Dunbar 204e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: define void @f52(%struct.s52* byval align 4) 20546c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbarstruct s52 { 20646c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbar long double a; 20746c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbar}; 20846c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbarvoid f52(struct s52 x) {} 20946c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbar 210e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: define void @f53(%struct.s53* byval align 4) 21146c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbarstruct __attribute__((aligned(32))) s53 { 21246c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbar int x; 21346c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbar int y; 21446c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbar}; 21546c54fb8ec45765a475b7b709b9aee7f94c490c2Daniel Dunbarvoid f53(struct s53 x) {} 216bbae8b40cd37d5b2815f8450cb588a41da89d7e5Chris Lattner 217bbae8b40cd37d5b2815f8450cb588a41da89d7e5Chris Lattnertypedef unsigned short v2i16 __attribute__((__vector_size__(4))); 218bbae8b40cd37d5b2815f8450cb588a41da89d7e5Chris Lattner 219bbae8b40cd37d5b2815f8450cb588a41da89d7e5Chris Lattner// CHECK: define i32 @f54(i32 %arg.coerce) 2202e29a99cf3fb2d57b1e53906c5cf19c50bb613c9Chris Lattner// rdar://8359483 221bbae8b40cd37d5b2815f8450cb588a41da89d7e5Chris Lattnerv2i16 f54(v2i16 arg) { return arg+arg; } 222bbae8b40cd37d5b2815f8450cb588a41da89d7e5Chris Lattner 2234599f346cb90bef15e1afd5c66f20c18703e41aeChris Lattner 2244599f346cb90bef15e1afd5c66f20c18703e41aeChris Lattnertypedef int v4i32 __attribute__((__vector_size__(16))); 2254599f346cb90bef15e1afd5c66f20c18703e41aeChris Lattner 2264599f346cb90bef15e1afd5c66f20c18703e41aeChris Lattner// CHECK: define <2 x i64> @f55(<4 x i32> %arg) 2274599f346cb90bef15e1afd5c66f20c18703e41aeChris Lattner// PR8029 2284599f346cb90bef15e1afd5c66f20c18703e41aeChris Lattnerv4i32 f55(v4i32 arg) { return arg+arg; } 2294599f346cb90bef15e1afd5c66f20c18703e41aeChris Lattner 23093ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// CHECK: define void @f56( 231de92d739ba0ef42a5a7dcfd6e170329549d0716bChris Lattner// CHECK: i8 signext %a0, %struct.s56_0* byval align 4 %a1, 232bb465d7d0489a6605bb1eb82dea87350066ac5e2Bill Wendling// CHECK: x86_mmx %a2.coerce, %struct.s56_1* byval align 4, 233e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: i64 %a4.coerce, %struct.s56_2* byval align 4, 2349cbe4f0ba01ec304e1e3d071c071f7bca33631c0Chris Lattner// CHECK: <4 x i32> %a6, %struct.s56_3* byval align 16 %a7, 23593ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// CHECK: <2 x double> %a8, %struct.s56_4* byval align 16 %a9, 236e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: <8 x i32> %a10, %struct.s56_5* byval align 4, 237e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: <4 x double> %a12, %struct.s56_6* byval align 4) 23893ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar 23993ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// CHECK: call void (i32, ...)* @f56_0(i32 1, 240de92d739ba0ef42a5a7dcfd6e170329549d0716bChris Lattner// CHECK: i32 %{{[^ ]*}}, %struct.s56_0* byval align 4 %{{[^ ]*}}, 241bb465d7d0489a6605bb1eb82dea87350066ac5e2Bill Wendling// CHECK: x86_mmx %{{[^ ]*}}, %struct.s56_1* byval align 4 %{{[^ ]*}}, 242e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: i64 %{{[^ ]*}}, %struct.s56_2* byval align 4 %{{[^ ]*}}, 2439cbe4f0ba01ec304e1e3d071c071f7bca33631c0Chris Lattner// CHECK: <4 x i32> %{{[^ ]*}}, %struct.s56_3* byval align 16 %{{[^ ]*}}, 24493ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// CHECK: <2 x double> %{{[^ ]*}}, %struct.s56_4* byval align 16 %{{[^ ]*}}, 245e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: <8 x i32> {{[^ ]*}}, %struct.s56_5* byval align 4 %{{[^ ]*}}, 246e59d8585bb40a8bae6b847ad258536a2c01f20eaDaniel Dunbar// CHECK: <4 x double> {{[^ ]*}}, %struct.s56_6* byval align 4 %{{[^ ]*}}) 24793ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// CHECK: } 24893ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// 24993ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// <rdar://problem/7964854> [i386] clang misaligns long double in structures 25093ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// when passed byval 25193ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar// <rdar://problem/8431367> clang misaligns parameters on stack 25293ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbartypedef int __attribute__((vector_size (8))) t56_v2i; 25393ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbartypedef double __attribute__((vector_size (8))) t56_v1d; 25493ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbartypedef int __attribute__((vector_size (16))) t56_v4i; 25593ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbartypedef double __attribute__((vector_size (16))) t56_v2d; 25693ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbartypedef int __attribute__((vector_size (32))) t56_v8i; 25793ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbartypedef double __attribute__((vector_size (32))) t56_v4d; 25893ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar 25993ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarstruct s56_0 { char a; }; 26093ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarstruct s56_1 { t56_v2i a; }; 26193ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarstruct s56_2 { t56_v1d a; }; 26293ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarstruct s56_3 { t56_v4i a; }; 26393ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarstruct s56_4 { t56_v2d a; }; 26493ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarstruct s56_5 { t56_v8i a; }; 26593ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarstruct s56_6 { t56_v4d a; }; 26693ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar 26793ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbarvoid f56(char a0, struct s56_0 a1, 26893ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar t56_v2i a2, struct s56_1 a3, 26993ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar t56_v1d a4, struct s56_2 a5, 27093ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar t56_v4i a6, struct s56_3 a7, 27193ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar t56_v2d a8, struct s56_4 a9, 27293ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar t56_v8i a10, struct s56_5 a11, 27393ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar t56_v4d a12, struct s56_6 a13) { 27493ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar extern void f56_0(int x, ...); 27593ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar f56_0(1, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, 27693ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar a10, a11, a12, a13); 27793ae947df36133c7a26a0c7d325c0679916ed2edDaniel Dunbar} 278ca3d3fcabaa0d7255e9a778ef468daa6e052b211Eli Friedman 279ca3d3fcabaa0d7255e9a778ef468daa6e052b211Eli Friedman// CHECK: define void @f57(i32 %x.0, i32 %x.1) 280ca3d3fcabaa0d7255e9a778ef468daa6e052b211Eli Friedman// CHECK: call void @f57( 281ca3d3fcabaa0d7255e9a778ef468daa6e052b211Eli Friedmanstruct s57 { _Complex int x; }; 282ca3d3fcabaa0d7255e9a778ef468daa6e052b211Eli Friedmanvoid f57(struct s57 x) {} void f57a(void) { f57((struct s57){1}); } 2835a4d35247f55dae6dd0d5ad349ecadbbea0b4572Eli Friedman 284bd4d3bcd2cd64d1bba29b2a52705b97d68ebccd5Eli Friedman// CHECK: define void @f58() 2855a4d35247f55dae6dd0d5ad349ecadbbea0b4572Eli Friedmanunion u58 {}; 2865a4d35247f55dae6dd0d5ad349ecadbbea0b4572Eli Friedmanvoid f58(union u58 x) {} 287bd4d3bcd2cd64d1bba29b2a52705b97d68ebccd5Eli Friedman 288bd4d3bcd2cd64d1bba29b2a52705b97d68ebccd5Eli Friedman// CHECK: define i64 @f59() 289bd4d3bcd2cd64d1bba29b2a52705b97d68ebccd5Eli Friedmanstruct s59 { float x __attribute((aligned(8))); }; 290bd4d3bcd2cd64d1bba29b2a52705b97d68ebccd5Eli Friedmanstruct s59 f59() { while (1) {} } 291506d4e375a6a36a49eb70578983dc4acaf2f15aeEli Friedman 292506d4e375a6a36a49eb70578983dc4acaf2f15aeEli Friedman// CHECK: define void @f60(%struct.s60* byval align 4, i32 %y) 293506d4e375a6a36a49eb70578983dc4acaf2f15aeEli Friedmanstruct s60 { int x __attribute((aligned(8))); }; 294506d4e375a6a36a49eb70578983dc4acaf2f15aeEli Friedmanvoid f60(struct s60 x, int y) {} 2957b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman 2967b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman// CHECK: define void @f61(i32 %x, %struct.s61* byval align 16 %y) 2977b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmantypedef int T61 __attribute((vector_size(16))); 2987b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmanstruct s61 { T61 x; int y; }; 2997b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmanvoid f61(int x, struct s61 y) {} 3007b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman 3017b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman// CHECK: define void @f62(i32 %x, %struct.s62* byval align 4) 3027b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmantypedef int T62 __attribute((vector_size(16))); 3037b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmanstruct s62 { T62 x; int y; } __attribute((packed, aligned(8))); 3047b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmanvoid f62(int x, struct s62 y) {} 3057b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman 3067b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman// CHECK: define i32 @f63 3077b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman// CHECK: ptrtoint 3087b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman// CHECK: and {{.*}}, -16 3097b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman// CHECK: inttoptr 3107b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmantypedef int T63 __attribute((vector_size(16))); 3117b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmanstruct s63 { T63 x; int y; }; 3127b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedmanint f63(int i, ...) { 3137b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman __builtin_va_list ap; 3147b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman __builtin_va_start(ap, i); 3157b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman struct s63 s = __builtin_va_arg(ap, struct s63); 3167b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman __builtin_va_end(ap); 3177b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman return s.y; 3187b1fb81a512def2a20e2834b4598a7b3a740dc7fEli Friedman} 3197e7ad3f8fa150de6144be332ae4bfe5d1acb5c6dEli Friedman 3205a1ac89b244940a0337ea7ae7dc371e2a9bf7c50Eli Friedman// CHECK: define void @f64(%struct.s64* byval align 4 %x) 3217e7ad3f8fa150de6144be332ae4bfe5d1acb5c6dEli Friedmanstruct s64 { signed char a[0]; signed char b[]; }; 3227e7ad3f8fa150de6144be332ae4bfe5d1acb5c6dEli Friedmanvoid f64(struct s64 x) {} 3237e7ad3f8fa150de6144be332ae4bfe5d1acb5c6dEli Friedman 3247e7ad3f8fa150de6144be332ae4bfe5d1acb5c6dEli Friedman// CHECK: define float @f65() 3257e7ad3f8fa150de6144be332ae4bfe5d1acb5c6dEli Friedmanstruct s65 { signed char a[0]; float b; }; 3267e7ad3f8fa150de6144be332ae4bfe5d1acb5c6dEli Friedmanstruct s65 f65() { return (struct s65){{},2}; } 327f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman 328f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman// CHECK: define <2 x i64> @f66 329f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman// CHECK: ptrtoint 330f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman// CHECK: and {{.*}}, -16 331f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman// CHECK: inttoptr 332f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedmantypedef int T66 __attribute((vector_size(16))); 333f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli FriedmanT66 f66(int i, ...) { 334f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman __builtin_va_list ap; 335f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman __builtin_va_start(ap, i); 336f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman T66 v = __builtin_va_arg(ap, T66); 337f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman __builtin_va_end(ap); 338f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman return v; 339f4bd4d8fe029ca314c2c61edb1d2a65bc18cdbf2Eli Friedman} 340