--- /dev/null
+// RUN: %clang_cc1 -triple riscv32 -O2 -emit-llvm %s -o - \
+// RUN: | FileCheck %s
+// RUN: %clang_cc1 -triple riscv64 -O2 -emit-llvm %s -o - \
+// RUN: | FileCheck %s
+
+// Test RISC-V specific inline assembly constraints.
+
+void test_I() {
+// CHECK-LABEL: define void @test_I()
+// CHECK: call void asm sideeffect "", "I"(i32 2047)
+ asm volatile ("" :: "I"(2047));
+// CHECK: call void asm sideeffect "", "I"(i32 -2048)
+ asm volatile ("" :: "I"(-2048));
+}
+
+void test_J() {
+// CHECK-LABEL: define void @test_J()
+// CHECK: call void asm sideeffect "", "J"(i32 0)
+ asm volatile ("" :: "J"(0));
+}
+
+void test_K() {
+// CHECK-LABEL: define void @test_K()
+// CHECK: call void asm sideeffect "", "K"(i32 31)
+ asm volatile ("" :: "K"(31));
+// CHECK: call void asm sideeffect "", "K"(i32 0)
+ asm volatile ("" :: "K"(0));
+}
--- /dev/null
+// RUN: %clang_cc1 -triple riscv32 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -triple riscv64 -fsyntax-only -verify %s
+
+void I(int i) {
+ static const int BelowMin = -2049;
+ static const int AboveMax = 2048;
+ asm volatile ("" :: "I"(i)); // expected-error{{constraint 'I' expects an integer constant expression}}
+ asm volatile ("" :: "I"(BelowMin)); // expected-error{{value '-2049' out of range for constraint 'I'}}
+ asm volatile ("" :: "I"(AboveMax)); // expected-error{{value '2048' out of range for constraint 'I'}}
+}
+
+void J(int j) {
+ static const int BelowMin = -1;
+ static const int AboveMax = 1;
+ asm volatile ("" :: "J"(j)); // expected-error{{constraint 'J' expects an integer constant expression}}
+ asm volatile ("" :: "J"(BelowMin)); // expected-error{{value '-1' out of range for constraint 'J'}}
+ asm volatile ("" :: "J"(AboveMax)); // expected-error{{value '1' out of range for constraint 'J'}}
+}
+
+void K(int k) {
+ static const int BelowMin = -1;
+ static const int AboveMax = 32;
+ asm volatile ("" :: "K"(k)); // expected-error{{constraint 'K' expects an integer constant expression}}
+ asm volatile ("" :: "K"(BelowMin)); // expected-error{{value '-1' out of range for constraint 'K'}}
+ asm volatile ("" :: "K"(AboveMax)); // expected-error{{value '32' out of range for constraint 'K'}}
+}