21 lines
601 B
LLVM
21 lines
601 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV32I %s
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; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV64I %s
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define i24 @aext(i32 %0) {
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; RV32I-LABEL: aext:
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; RV32I: # %bb.0:
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; RV32I-NEXT: srli a0, a0, 8
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: aext:
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; RV64I: # %bb.0:
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; RV64I-NEXT: srliw a0, a0, 8
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; RV64I-NEXT: ret
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%2 = and i32 %0, -256
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%3 = lshr exact i32 %2, 8
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%4 = trunc i32 %3 to i24
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ret i24 %4
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}
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