1 // RUN: %clang -target mipsel-unknown-linux -O3 -S -o - -emit-llvm %s | FileCheck %s -check-prefix=O32 2 // RUN: %clang -target mips64el-unknown-linux -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s -check-prefix=N64 3 4 typedef struct { 5 double d; 6 long double ld; 7 } S0; 8 9 // Insert padding to ensure arguments of type S0 are aligned to 16-byte boundaries. 10 11 // N64: define void @foo1(i32 %a0, i64, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 %b, i64, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) 12 // N64: tail call void @foo2(i32 1, i32 2, i32 %a0, i64 undef, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 3, i64 undef, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) 13 // N64: declare void @foo2(i32, i32, i32, i64, double, i64, i64, i64, double, i64, i64, i64, i32, i64, double, i64, i64, i64) 14 15 extern void foo2(int, int, int, S0, S0, int, S0); 16 17 void foo1(int a0, S0 a1, S0 a2, int b, S0 a3) { 18 foo2(1, 2, a0, a1, a2, 3, a3); 19 } 20 21 // Insert padding before long double argument. 22 // 23 // N64: define void @foo3(i32 %a0, i64, fp128 %a1) 24 // N64: tail call void @foo4(i32 1, i32 2, i32 %a0, i64 undef, fp128 %a1) 25 // N64: declare void @foo4(i32, i32, i32, i64, fp128) 26 27 extern void foo4(int, int, int, long double); 28 29 void foo3(int a0, long double a1) { 30 foo4(1, 2, a0, a1); 31 } 32 33 // Insert padding after hidden argument. 34 // 35 // N64: define void @foo5(%struct.S0* noalias sret %agg.result, i64, fp128 %a0) 36 // N64: call void @foo6(%struct.S0* sret %agg.result, i32 1, i32 2, i64 undef, fp128 %a0) 37 // N64: declare void @foo6(%struct.S0* sret, i32, i32, i64, fp128) 38 39 extern S0 foo6(int, int, long double); 40 41 S0 foo5(long double a0) { 42 return foo6(1, 2, a0); 43 } 44 45 // Do not insert padding if ABI is O32. 46 // 47 // O32: define void @foo7(float %a0, double %a1) 48 // O32: declare void @foo8(float, double) 49 50 extern void foo8(float, double); 51 52 void foo7(float a0, double a1) { 53 foo8(a0 + 1.0f, a1 + 2.0); 54 } 55 56
