56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
// RUN: %clang_cc1 -triple riscv32 -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -triple riscv32 -target-feature +f -target-abi ilp32f -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 ilp32
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// and ilp32f ABIs.
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#include <stddef.h>
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#include <stdint.h>
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struct tiny {
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uint8_t a, b, c, d;
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};
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struct small {
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int32_t a, *b;
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};
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struct small_aligned {
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int64_t a;
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};
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struct large {
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int32_t a, b, c, d;
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};
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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{{.*}} i32 @f_scalar_stack_1(i32 %a, i64 %b, i32 %c, double %d, fp128 %e, i8 zeroext %f, i8 %g, i8 %h)
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int f_scalar_stack_1(int32_t a, int64_t b, int32_t c, double d, long double 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 4 %agg.result, i32 %a, i64 %b, double %c, fp128 %d, i8 zeroext %e, i8 %f, i8 %g)
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struct large f_scalar_stack_2(int32_t a, int64_t b, double c, long double 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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// Aggregates and >=XLen scalars passed on the stack should be lowered just as
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// they would be if passed via registers.
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// CHECK-LABEL: define{{.*}} void @f_scalar_stack_3(double %a, i64 %b, double %c, i64 %d, i32 %e, i64 %f, i32 %g, double %h, fp128 %i)
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void f_scalar_stack_3(double a, int64_t b, double c, int64_t d, int e,
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int64_t f, int32_t g, double h, long double i) {}
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// CHECK-LABEL: define{{.*}} void @f_agg_stack(double %a, i64 %b, double %c, i64 %d, i32 %e.coerce, [2 x i32] %f.coerce, i64 %g.coerce, %struct.large* %h)
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void f_agg_stack(double a, int64_t b, double c, int64_t d, struct tiny e,
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struct small f, struct small_aligned g, struct large h) {}
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