Files
clang-p2996/clang/test/Sema/inline-asm-validate-riscv.c
Bill Wendling ce29291fc3 Delay diagnosing asm constraints that require immediates until after inlining
Summary:
An inline asm call may result in an immediate input value after inlining.
Therefore, don't emit a diagnostic here if the input isn't an immediate.

Reviewers: joerg, eli.friedman, rsmith

Subscribers: asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, jrtc27, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, s.egerton, krytarowski, mgorny, riccibruno, eraman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D60943

llvm-svn: 368104
2019-08-06 22:41:22 +00:00

24 lines
1001 B
C

// 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"(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"(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"(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'}}
}