35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
// RUN: %clang_cc1 -triple riscv64 -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -triple riscv64 -target-feature +f -target-abi lp64f -emit-llvm %s -o - \
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// RUN: | FileCheck %s
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// This file contains test cases that will have the same output for the lp64
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// and lp64f ABIs.
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#include <stddef.h>
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#include <stdint.h>
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struct large {
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int64_t a, b, c, d;
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};
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typedef unsigned char v32i8 __attribute__((vector_size(32)));
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// Scalars passed on the stack should not have signext/zeroext attributes
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// (they are anyext).
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// CHECK-LABEL: define{{.*}} signext i32 @f_scalar_stack_1(i32 signext %a, i128 %b, double %c, fp128 %d, <32 x i8>* %0, i8 zeroext %f, i8 %g, i8 %h)
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int f_scalar_stack_1(int32_t a, __int128_t b, double c, long double d, v32i8 e,
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uint8_t f, int8_t g, uint8_t h) {
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return g + h;
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}
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// Ensure that scalars passed on the stack are still determined correctly in
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// the presence of large return values that consume a register due to the need
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// to pass a pointer.
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// CHECK-LABEL: define{{.*}} void @f_scalar_stack_2(%struct.large* noalias sret(%struct.large) align 8 %agg.result, double %a, i128 %b, fp128 %c, <32 x i8>* %0, i8 zeroext %e, i8 %f, i8 %g)
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struct large f_scalar_stack_2(double a, __int128_t b, long double c, v32i8 d,
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uint8_t e, int8_t f, uint8_t g) {
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return (struct large){a, e, f, g};
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}
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