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52 lines
3.5 KiB
C
52 lines
3.5 KiB
C
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// RUN: %clang_cc1 -triple riscv32-unknown-elf -target-feature +experimental-xqciint -emit-llvm -DCHECK_IR < %s| FileCheck %s
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// RUN: %clang_cc1 %s -triple riscv32-unknown-elf -target-feature +experimental-xqciint -verify=enabled,both -fsyntax-only
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// RUN: %clang_cc1 %s -triple riscv32-unknown-elf -verify=disabled,both -fsyntax-only
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// RUN: %clang_cc1 %s -triple riscv32-unknown-elf -target-feature -experimental-xqciint -verify=disabled,both -fsyntax-only
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// RUN: %clang_cc1 %s -triple riscv64-unknown-elf -verify=disabled,both -fsyntax-only -DRV64
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#if defined(CHECK_IR)
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// Test for QCI extension's interrupt attribute support
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// CHECK-LABEL: @foo_nest_interrupt() #0
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// CHECK: ret void
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__attribute__((interrupt("qci-nest")))
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void foo_nest_interrupt(void) {}
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// CHECK-LABEL: @foo_nonnest_interrupt() #1
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// CHECK: ret void
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__attribute__((interrupt("qci-nonest")))
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void foo_nonnest_interrupt(void) {}
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// CHECK: attributes #0
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// CHECK: "interrupt"="qci-nest"
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// CHECK: attributes #1
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// CHECK: "interrupt"="qci-nonest"
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#else
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// Test for QCI extension's interrupt attribute support
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__attribute__((interrupt("qci-est"))) void foo_nest1(void) {} // both-warning {{'interrupt' attribute argument not supported: qci-est}}
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__attribute__((interrupt("qci-noest"))) void foo_nonest1(void) {} // both-warning {{'interrupt' attribute argument not supported: qci-noest}}
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__attribute__((interrupt(1))) void foo_nest2(void) {} // both-error {{expected string literal as argument of 'interrupt' attribute}}
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__attribute__((interrupt("qci-nest", "qci-nonest"))) void foo1(void) {} // both-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("qci-nonest", "qci-nest"))) void foo2(void) {} // both-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("", "qci-nonest"))) void foo3(void) {} // both-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("", "qci-nest"))) void foo4(void) {} // both-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("qci-nonest", 1))) void foo5(void) {} // both-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("qci-nest", 1))) void foo6(void) {} // both-error {{'interrupt' attribute takes no more than 1 argument}}
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__attribute__((interrupt("qci-nest"))) void foo_nest(void) {} // disabled-error {{RISC-V interrupt attribute 'qci-nest' requires extension 'Xqciint'}}
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__attribute__((interrupt("qci-nonest"))) void foo_nonest(void) {} // disabled-error {{RISC-V interrupt attribute 'qci-nonest' requires extension 'Xqciint'}}
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// This tests the errors for the qci interrupts when using
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// `__attribute__((target(...)))` - but they fail on RV64, because you cannot
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// enable xqciint on rv64.
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#if __riscv_xlen == 32
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__attribute__((target("arch=+xqciint"))) __attribute__((interrupt("qci-nest"))) void foo_nest_xqciint(void) {}
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__attribute__((target("arch=+xqciint"))) __attribute__((interrupt("qci-nonest"))) void foo_nonest_xqciint(void) {}
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// The attribute order is important, the interrupt attribute must come after the
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// target attribute
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__attribute__((interrupt("qci-nest"))) __attribute__((target("arch=+xqciint"))) void foo_nest_xqciint2(void) {} // disabled-error {{RISC-V interrupt attribute 'qci-nest' requires extension 'Xqciint'}}
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__attribute__((interrupt("qci-nonest"))) __attribute__((target("arch=+xqciint"))) void foo_nonest_xqciint2(void) {} // disabled-error {{RISC-V interrupt attribute 'qci-nonest' requires extension 'Xqciint'}}
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#endif
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#endif
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