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