33 lines · c
1// RUN: %clang_cc1 -triple sparcv9-unknown-unknown -emit-llvm %s -o - | FileCheck %s2 3void test_gcc_registers(void) {4 register unsigned int regO6 asm("o6") = 0;5 register unsigned int regSP asm("sp") = 1;6 register unsigned int reg14 asm("r14") = 2;7 register unsigned int regI6 asm("i6") = 3;8 register unsigned int regFP asm("fp") = 4;9 register unsigned int reg30 asm("r30") = 5;10 11 register float fF20 asm("f20") = 8.0;12 register double dF40 asm("f40") = 11.0;13 register long double qF40 asm("f40") = 14.0;14 15 // Test remapping register names in register ... asm("rN") statments.16 17 // CHECK: call void asm sideeffect "add $0,$1,$2", "{r14},{r14},{r14}"18 asm volatile("add %0,%1,%2" : : "r" (regO6), "r" (regSP), "r" (reg14));19 20 // CHECK: call void asm sideeffect "add $0,$1,$2", "{r30},{r30},{r30}"21 asm volatile("add %0,%1,%2" : : "r" (regI6), "r" (regFP), "r" (reg30));22 23 // CHECK: call void asm sideeffect "fadds $0,$1,$2", "{f20},{f20},{f20}"24 asm volatile("fadds %0,%1,%2" : : "f" (fF20), "f" (fF20), "f"(fF20));25 26 // CHECK: call void asm sideeffect "faddd $0,$1,$2", "{f40},{f40},{f40}"27 asm volatile("faddd %0,%1,%2" : : "f" (dF40), "f" (dF40), "f"(dF40));28 29 // CHECK: call void asm sideeffect "faddq $0,$1,$2", "{f40},{f40},{f40}"30 asm volatile("faddq %0,%1,%2" : : "f" (qF40), "f" (qF40), "f"(qF40));31 32}33