51 lines
1.5 KiB
LLVM
51 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -global-isel -verify-machineinstrs -O0 < %s \
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; RUN: | FileCheck %s --check-prefixes=RV32,RV32-O0
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; RUN: llc -mtriple=riscv64 -global-isel -verify-machineinstrs -O0 < %s \
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; RUN: | FileCheck %s --check-prefixes=RV64,RV64-O0
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; RUN: llc -mtriple=riscv32 -global-isel -verify-machineinstrs < %s \
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; RUN: | FileCheck %s --check-prefixes=RV32,RV32-OPT
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; RUN: llc -mtriple=riscv64 -global-isel -verify-machineinstrs < %s \
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; RUN: | FileCheck %s --check-prefixes=RV64,RV64-OPT
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define i32 @constant_to_rhs(i32 %x) {
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; RV32-O0-LABEL: constant_to_rhs:
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; RV32-O0: # %bb.0:
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; RV32-O0-NEXT: mv a1, a0
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; RV32-O0-NEXT: li a0, 1
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; RV32-O0-NEXT: add a0, a0, a1
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; RV32-O0-NEXT: ret
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;
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; RV64-O0-LABEL: constant_to_rhs:
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; RV64-O0: # %bb.0:
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; RV64-O0-NEXT: mv a1, a0
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; RV64-O0-NEXT: li a0, 1
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; RV64-O0-NEXT: addw a0, a0, a1
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; RV64-O0-NEXT: ret
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;
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; RV32-OPT-LABEL: constant_to_rhs:
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; RV32-OPT: # %bb.0:
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; RV32-OPT-NEXT: addi a0, a0, 1
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; RV32-OPT-NEXT: ret
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;
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; RV64-OPT-LABEL: constant_to_rhs:
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; RV64-OPT: # %bb.0:
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; RV64-OPT-NEXT: addiw a0, a0, 1
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; RV64-OPT-NEXT: ret
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%a = add i32 1, %x
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ret i32 %a
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}
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define i32 @mul_to_shift(i32 %x) {
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; RV32-LABEL: mul_to_shift:
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; RV32: # %bb.0:
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; RV32-NEXT: slli a0, a0, 2
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; RV32-NEXT: ret
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;
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; RV64-LABEL: mul_to_shift:
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; RV64: # %bb.0:
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; RV64-NEXT: slliw a0, a0, 2
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; RV64-NEXT: ret
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%a = mul i32 %x, 4
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ret i32 %a
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}
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