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// RUN: %clang_cc1 -triple loongarch32 -emit-llvm -O2 %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple loongarch64 -emit-llvm -O2 %s -o - | FileCheck %s
/// Check GCC register names and alias can be used in register variable definition.
// CHECK-LABEL: @test_r0
// CHECK: call void asm sideeffect "", "{$r0}"(i32 undef)
void test_r0() {
register int a asm ("$r0");
register int b asm ("r0");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_r12
// CHECK: call void asm sideeffect "", "{$r12}"(i32 undef)
void test_r12() {
register int a asm ("$r12");
register int b asm ("r12");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_r31
// CHECK: call void asm sideeffect "", "{$r31}"(i32 undef)
void test_r31() {
register int a asm ("$r31");
register int b asm ("r31");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_zero
// CHECK: call void asm sideeffect "", "{$r0}"(i32 undef)
void test_zero() {
register int a asm ("$zero");
register int b asm ("zero");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_a0
// CHECK: call void asm sideeffect "", "{$r4}"(i32 undef)
void test_a0() {
register int a asm ("$a0");
register int b asm ("a0");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_t1
// CHECK: call void asm sideeffect "", "{$r13}"(i32 undef)
void test_t1() {
register int a asm ("$t1");
register int b asm ("t1");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_fp
// CHECK: call void asm sideeffect "", "{$r22}"(i32 undef)
void test_fp() {
register int a asm ("$fp");
register int b asm ("fp");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_s2
// CHECK: call void asm sideeffect "", "{$r25}"(i32 undef)
void test_s2() {
register int a asm ("$s2");
register int b asm ("s2");
asm ("" :: "r" (a));
asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_f0
// CHECK: call void asm sideeffect "", "{$f0}"(float undef)
void test_f0() {
register float a asm ("$f0");
asm ("" :: "f" (a));
}
// CHECK-LABEL: @test_f14
// CHECK: call void asm sideeffect "", "{$f14}"(float undef)
void test_f14() {
register float a asm ("$f14");
asm ("" :: "f" (a));
}
// CHECK-LABEL: @test_f31
// CHECK: call void asm sideeffect "", "{$f31}"(float undef)
void test_f31() {
register float a asm ("$f31");
asm ("" :: "f" (a));
}
// CHECK-LABEL: @test_fa0
// CHECK: call void asm sideeffect "", "{$f0}"(float undef)
void test_fa0() {
register float a asm ("$fa0");
asm ("" :: "f" (a));
}
// CHECK-LABEL: @test_ft1
// CHECK: call void asm sideeffect "", "{$f9}"(float undef)
void test_ft1() {
register float a asm ("$ft1");
asm ("" :: "f" (a));
}
// CHECK-LABEL: @test_fs2
// CHECK: call void asm sideeffect "", "{$f26}"(float undef)
void test_fs2() {
register float a asm ("$fs2");
asm ("" :: "f" (a));
}
// CHECK-LABEL: @test_fcc
// CHECK: call void asm sideeffect "", "~{$fcc0}"()
// CHECK: call void asm sideeffect "", "~{$fcc7}"()
void test_fcc() {
asm ("" ::: "$fcc0");
asm ("" ::: "$fcc7");
}
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