diff options
Diffstat (limited to 'test/CodeGen/x86_32-arguments.c')
-rw-r--r-- | test/CodeGen/x86_32-arguments.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/test/CodeGen/x86_32-arguments.c b/test/CodeGen/x86_32-arguments.c new file mode 100644 index 000000000000..8980c66b2072 --- /dev/null +++ b/test/CodeGen/x86_32-arguments.c @@ -0,0 +1,157 @@ +// RUN: clang-cc -triple i386-apple-darwin9 -emit-llvm -o %t %s && +// RUN: grep 'define signext i8 @f0()' %t && +// RUN: grep 'define signext i16 @f1()' %t && +// RUN: grep 'define i32 @f2()' %t && +// RUN: grep 'define float @f3()' %t && +// RUN: grep 'define double @f4()' %t && +// RUN: grep 'define x86_fp80 @f5()' %t && +// RUN: grep 'define void @f6(i8 signext %a0, i16 signext %a1, i32 %a2, i64 %a3, i8\* %a4)' %t && +// RUN: grep 'define void @f7(i32 %a0)' %t && +// RUN: grep 'define i64 @f8_1()' %t && +// RUN: grep 'define void @f8_2(i32 %a0.0, i32 %a0.1)' %t && + +char f0(void) { +} + +short f1(void) { +} + +int f2(void) { +} + +float f3(void) { +} + +double f4(void) { +} + +long double f5(void) { +} + +void f6(char a0, short a1, int a2, long long a3, void *a4) { +} + +typedef enum { A, B, C } E; + +void f7(E a0) { +} + +struct s8 { + int a; + int b; +}; +struct s8 f8_1(void) { +} +void f8_2(struct s8 a0) { +} + +// This should be passed just as s8. + +// RUN: grep 'define i64 @f9_1()' %t && + +// FIXME: llvm-gcc expands this, this may have some value for the +// backend in terms of optimization but doesn't change the ABI. +// RUN: grep 'define void @f9_2(%.truct.s9\* byval %a0)' %t && +struct s9 { + int a : 17; + int b; +}; +struct s9 f9_1(void) { +} +void f9_2(struct s9 a0) { +} + +// Return of small structures and unions + +// RUN: grep 'float @f10()' %t && +struct s10 { + union { }; + float f; +} f10(void) {} + +// Small vectors and 1 x {i64,double} are returned in registers + +// RUN: grep 'i32 @f11()' %t && +// RUN: grep -F 'void @f12(<2 x i32>* noalias sret %agg.result)' %t && +// RUN: grep 'i64 @f13()' %t && +// RUN: grep 'i64 @f14()' %t && +// RUN: grep '<2 x i64> @f15()' %t && +// RUN: grep '<2 x i64> @f16()' %t && +typedef short T11 __attribute__ ((vector_size (4))); +T11 f11(void) {} +typedef int T12 __attribute__ ((vector_size (8))); +T12 f12(void) {} +typedef long long T13 __attribute__ ((vector_size (8))); +T13 f13(void) {} +typedef double T14 __attribute__ ((vector_size (8))); +T14 f14(void) {} +typedef long long T15 __attribute__ ((vector_size (16))); +T15 f15(void) {} +typedef double T16 __attribute__ ((vector_size (16))); +T16 f16(void) {} + +// And when the single element in a struct (but not for 64 and +// 128-bits). + +// RUN: grep 'i32 @f17()' %t && +// RUN: grep -F 'void @f18(%2* noalias sret %agg.result)' %t && +// RUN: grep -F 'void @f19(%3* noalias sret %agg.result)' %t && +// RUN: grep -F 'void @f20(%4* noalias sret %agg.result)' %t && +// RUN: grep -F 'void @f21(%5* noalias sret %agg.result)' %t && +// RUN: grep -F 'void @f22(%6* noalias sret %agg.result)' %t && +struct { T11 a; } f17(void) {} +struct { T12 a; } f18(void) {} +struct { T13 a; } f19(void) {} +struct { T14 a; } f20(void) {} +struct { T15 a; } f21(void) {} +struct { T16 a; } f22(void) {} + +// Single element structures are handled specially + +// RUN: grep -F 'float @f23()' %t && +// RUN: grep -F 'float @f24()' %t && +// RUN: grep -F 'float @f25()' %t && +struct { float a; } f23(void) {} +struct { float a[1]; } f24(void) {} +struct { struct {} a; struct { float a[1]; } b; } f25(void) {} + +// Small structures are handled recursively +// RUN: grep -F 'i32 @f26()' %t && +// RUN: grep 'void @f27(%.truct.s27\* noalias sret %agg.result)' %t && +struct s26 { struct { char a, b; } a; struct { char a, b; } b; } f26(void) {} +struct s27 { struct { char a, b, c; } a; struct { char a; } b; } f27(void) {} + +// RUN: grep 'void @f28(%.truct.s28\* noalias sret %agg.result)' %t && +struct s28 { int a; int b[]; } f28(void) {} + +// RUN: grep 'define i16 @f29()' %t && +struct s29 { struct { } a[1]; char b; char c; } f29(void) {} + +// RUN: grep 'define i16 @f30()' %t && +struct s30 { char a; char b : 4; } f30(void) {} + +// RUN: grep 'define float @f31()' %t && +struct s31 { char : 0; float b; char : 0; } f31(void) {} + +// RUN: grep 'define i32 @f32()' %t && +struct s32 { char a; unsigned : 0; } f32(void) {} + +// RUN: grep 'define float @f33()' %t && +struct s33 { float a; long long : 0; } f33(void) {} + +// RUN: grep 'define float @f34()' %t && +struct s34 { struct { int : 0; } a; float b; } f34(void) {} + +// RUN: grep 'define i16 @f35()' %t && +struct s35 { struct { int : 0; } a; char b; char c; } f35(void) {} + +// RUN: grep 'define i16 @f36()' %t && +struct s36 { struct { int : 0; } a[2][10]; char b; char c; } f36(void) {} + +// RUN: grep 'define float @f37()' %t && +struct s37 { float c[1][1]; } f37(void) {} + +// RUN: grep 'define void @f38(.struct.s38. noalias sret .agg.result)' %t && +struct s38 { char a[3]; short b; } f38(void) {} + +// RUN: true |