derek.holloway
7502bf64a4
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436 lines
10 KiB
LLVM
436 lines
10 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s | FileCheck %s --check-prefix=RV32LE
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; RUN: llc -mtriple=riscv32be -verify-machineinstrs < %s | FileCheck %s --check-prefix=RV32BE
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; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s --check-prefix=RV64LE
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; RUN: llc -mtriple=riscv64be -verify-machineinstrs < %s | FileCheck %s --check-prefix=RV64BE
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; Test basic load/store operations on both little-endian and big-endian RISC-V
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define i32 @load_i32(ptr %p) {
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; RV32LE-LABEL: load_i32:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: lw a0, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: load_i32:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: lw a0, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: load_i32:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: lw a0, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: load_i32:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: lw a0, 0(a0)
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; RV64BE-NEXT: ret
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%v = load i32, ptr %p
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ret i32 %v
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}
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define void @store_i32(ptr %p, i32 %v) {
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; RV32LE-LABEL: store_i32:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: sw a1, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: store_i32:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: sw a1, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: store_i32:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: sw a1, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: store_i32:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: sw a1, 0(a0)
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; RV64BE-NEXT: ret
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store i32 %v, ptr %p
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ret void
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}
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define i16 @load_i16(ptr %p) {
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; RV32LE-LABEL: load_i16:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: lh a0, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: load_i16:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: lh a0, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: load_i16:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: lh a0, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: load_i16:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: lh a0, 0(a0)
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; RV64BE-NEXT: ret
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%v = load i16, ptr %p
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ret i16 %v
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}
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define void @store_i16(ptr %p, i16 %v) {
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; RV32LE-LABEL: store_i16:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: sh a1, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: store_i16:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: sh a1, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: store_i16:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: sh a1, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: store_i16:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: sh a1, 0(a0)
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; RV64BE-NEXT: ret
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store i16 %v, ptr %p
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ret void
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}
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define i8 @load_i8(ptr %p) {
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; RV32LE-LABEL: load_i8:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: lbu a0, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: load_i8:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: lbu a0, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: load_i8:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: lbu a0, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: load_i8:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: lbu a0, 0(a0)
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; RV64BE-NEXT: ret
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%v = load i8, ptr %p
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ret i8 %v
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}
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define void @store_i8(ptr %p, i8 %v) {
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; RV32LE-LABEL: store_i8:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: sb a1, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: store_i8:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: sb a1, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: store_i8:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: sb a1, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: store_i8:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: sb a1, 0(a0)
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; RV64BE-NEXT: ret
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store i8 %v, ptr %p
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ret void
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}
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define i64 @load_i64(ptr %p) {
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; RV32LE-LABEL: load_i64:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: lw a2, 0(a0)
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; RV32LE-NEXT: lw a1, 4(a0)
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; RV32LE-NEXT: mv a0, a2
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: load_i64:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: lw a2, 0(a0)
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; RV32BE-NEXT: lw a1, 4(a0)
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; RV32BE-NEXT: mv a0, a2
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: load_i64:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: ld a0, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: load_i64:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: ld a0, 0(a0)
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; RV64BE-NEXT: ret
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%v = load i64, ptr %p
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ret i64 %v
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}
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define void @store_i64(ptr %p, i64 %v) {
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; RV32LE-LABEL: store_i64:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: sw a1, 0(a0)
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; RV32LE-NEXT: sw a2, 4(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: store_i64:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: sw a1, 0(a0)
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; RV32BE-NEXT: sw a2, 4(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: store_i64:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: sd a1, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: store_i64:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: sd a1, 0(a0)
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; RV64BE-NEXT: ret
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store i64 %v, ptr %p
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ret void
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}
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; Test float/double loads and stores
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define float @load_float(ptr %p) {
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; RV32LE-LABEL: load_float:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: lw a0, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: load_float:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: lw a0, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: load_float:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: lw a0, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: load_float:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: lw a0, 0(a0)
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; RV64BE-NEXT: ret
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%v = load float, ptr %p
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ret float %v
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}
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define void @store_float(ptr %p, float %v) {
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; RV32LE-LABEL: store_float:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: sw a1, 0(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: store_float:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: sw a1, 0(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: store_float:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: sw a1, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: store_float:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: sw a1, 0(a0)
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; RV64BE-NEXT: ret
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store float %v, ptr %p
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ret void
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}
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define double @load_double(ptr %p) {
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; RV32LE-LABEL: load_double:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: lw a2, 0(a0)
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; RV32LE-NEXT: lw a1, 4(a0)
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; RV32LE-NEXT: mv a0, a2
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: load_double:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: lw a2, 0(a0)
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; RV32BE-NEXT: lw a1, 4(a0)
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; RV32BE-NEXT: mv a0, a2
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: load_double:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: ld a0, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: load_double:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: ld a0, 0(a0)
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; RV64BE-NEXT: ret
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%v = load double, ptr %p
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ret double %v
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}
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define void @store_double(ptr %p, double %v) {
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; RV32LE-LABEL: store_double:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: sw a1, 0(a0)
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; RV32LE-NEXT: sw a2, 4(a0)
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: store_double:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: sw a1, 0(a0)
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; RV32BE-NEXT: sw a2, 4(a0)
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: store_double:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: sd a1, 0(a0)
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: store_double:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: sd a1, 0(a0)
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; RV64BE-NEXT: ret
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store double %v, ptr %p
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ret void
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}
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; Test f64 argument passing and returns
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declare double @external_f64_func(double, double)
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define double @test_f64_arg_return(double %a, double %b) {
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; RV32LE-LABEL: test_f64_arg_return:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: addi sp, sp, -16
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; RV32LE-NEXT: .cfi_def_cfa_offset 16
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; RV32LE-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32LE-NEXT: .cfi_offset ra, -4
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; RV32LE-NEXT: call external_f64_func
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; RV32LE-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32LE-NEXT: .cfi_restore ra
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; RV32LE-NEXT: addi sp, sp, 16
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; RV32LE-NEXT: .cfi_def_cfa_offset 0
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: test_f64_arg_return:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: addi sp, sp, -16
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; RV32BE-NEXT: .cfi_def_cfa_offset 16
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; RV32BE-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32BE-NEXT: .cfi_offset ra, -4
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; RV32BE-NEXT: call external_f64_func
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; RV32BE-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32BE-NEXT: .cfi_restore ra
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; RV32BE-NEXT: addi sp, sp, 16
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; RV32BE-NEXT: .cfi_def_cfa_offset 0
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: test_f64_arg_return:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: addi sp, sp, -16
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; RV64LE-NEXT: .cfi_def_cfa_offset 16
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; RV64LE-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64LE-NEXT: .cfi_offset ra, -8
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; RV64LE-NEXT: call external_f64_func
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; RV64LE-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64LE-NEXT: .cfi_restore ra
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; RV64LE-NEXT: addi sp, sp, 16
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; RV64LE-NEXT: .cfi_def_cfa_offset 0
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: test_f64_arg_return:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: addi sp, sp, -16
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; RV64BE-NEXT: .cfi_def_cfa_offset 16
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; RV64BE-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64BE-NEXT: .cfi_offset ra, -8
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; RV64BE-NEXT: call external_f64_func
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; RV64BE-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64BE-NEXT: .cfi_restore ra
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; RV64BE-NEXT: addi sp, sp, 16
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; RV64BE-NEXT: .cfi_def_cfa_offset 0
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; RV64BE-NEXT: ret
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%result = call double @external_f64_func(double %a, double %b)
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ret double %result
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}
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; Test bitcast from f64 to i64
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define i64 @bitcast_f64_to_i64(double %x) {
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; RV32LE-LABEL: bitcast_f64_to_i64:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: bitcast_f64_to_i64:
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; RV32BE: # %bb.0:
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; RV32BE-NEXT: ret
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;
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; RV64LE-LABEL: bitcast_f64_to_i64:
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; RV64LE: # %bb.0:
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; RV64LE-NEXT: ret
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;
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; RV64BE-LABEL: bitcast_f64_to_i64:
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; RV64BE: # %bb.0:
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; RV64BE-NEXT: ret
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%y = bitcast double %x to i64
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ret i64 %y
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}
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; Test bitcast from i64 to f64
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define double @bitcast_i64_to_f64(i64 %x) {
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; RV32LE-LABEL: bitcast_i64_to_f64:
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; RV32LE: # %bb.0:
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; RV32LE-NEXT: ret
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;
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; RV32BE-LABEL: bitcast_i64_to_f64:
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|
; RV32BE: # %bb.0:
|
|
; RV32BE-NEXT: ret
|
|
;
|
|
; RV64LE-LABEL: bitcast_i64_to_f64:
|
|
; RV64LE: # %bb.0:
|
|
; RV64LE-NEXT: ret
|
|
;
|
|
; RV64BE-LABEL: bitcast_i64_to_f64:
|
|
; RV64BE: # %bb.0:
|
|
; RV64BE-NEXT: ret
|
|
%y = bitcast i64 %x to double
|
|
ret double %y
|
|
}
|
|
|
|
; Test i64 return value register order (a0=low/a1=high for LE, a0=high/a1=low for BE)
|
|
define i64 @return_i64_const() {
|
|
; RV32LE-LABEL: return_i64_const:
|
|
; RV32LE: # %bb.0:
|
|
; RV32LE-NEXT: li a0, 1
|
|
; RV32LE-NEXT: li a1, 0
|
|
; RV32LE-NEXT: ret
|
|
;
|
|
; RV32BE-LABEL: return_i64_const:
|
|
; RV32BE: # %bb.0:
|
|
; RV32BE-NEXT: li a1, 1
|
|
; RV32BE-NEXT: li a0, 0
|
|
; RV32BE-NEXT: ret
|
|
;
|
|
; RV64LE-LABEL: return_i64_const:
|
|
; RV64LE: # %bb.0:
|
|
; RV64LE-NEXT: li a0, 1
|
|
; RV64LE-NEXT: ret
|
|
;
|
|
; RV64BE-LABEL: return_i64_const:
|
|
; RV64BE: # %bb.0:
|
|
; RV64BE-NEXT: li a0, 1
|
|
; RV64BE-NEXT: ret
|
|
ret i64 1
|
|
}
|