c0de13b05f
This patch widens the illegal shamt type `i48` -> `i64` to fix legalization failure: https://godbolt.org/z/4zMTnoW7h
49 lines
1.3 KiB
LLVM
49 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=riscv32 -global-isel -global-isel-abort=1 -verify-machineinstrs < %s 2>&1 | FileCheck %s --check-prefixes=RV32
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; RUN: llc -mtriple=riscv64 -global-isel -global-isel-abort=1 -verify-machineinstrs < %s 2>&1 | FileCheck %s --check-prefixes=RV64
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define i16 @test_lshr_i48(i48 %x) {
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; RV32-LABEL: test_lshr_i48:
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; RV32: # %bb.0:
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; RV32-NEXT: srli a0, a0, 16
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; RV32-NEXT: ret
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;
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; RV64-LABEL: test_lshr_i48:
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; RV64: # %bb.0:
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; RV64-NEXT: srliw a0, a0, 16
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; RV64-NEXT: ret
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%lshr = lshr i48 %x, 16
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%trunc = trunc i48 %lshr to i16
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ret i16 %trunc
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}
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define i16 @test_ashr_i48(i48 %x) {
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; RV32-LABEL: test_ashr_i48:
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; RV32: # %bb.0:
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; RV32-NEXT: srai a0, a0, 16
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; RV32-NEXT: ret
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;
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; RV64-LABEL: test_ashr_i48:
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; RV64: # %bb.0:
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; RV64-NEXT: sraiw a0, a0, 16
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; RV64-NEXT: ret
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%ashr = ashr i48 %x, 16
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%trunc = trunc i48 %ashr to i16
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ret i16 %trunc
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}
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define i16 @test_shl_i48(i48 %x) {
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; RV32-LABEL: test_shl_i48:
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; RV32: # %bb.0:
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; RV32-NEXT: slli a0, a0, 8
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; RV32-NEXT: ret
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;
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; RV64-LABEL: test_shl_i48:
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; RV64: # %bb.0:
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; RV64-NEXT: slliw a0, a0, 8
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; RV64-NEXT: ret
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%shl = shl i48 %x, 8
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%trunc = trunc i48 %shl to i16
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ret i16 %trunc
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}
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