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TheRock/compiler/amd-llvm/llvm/test/CodeGen/LoongArch/zext-with-load-is-free.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

41 lines
1.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc --mtriple=loongarch32 -mattr=+d -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 -mattr=+d -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefix=LA64
define zeroext i8 @test_zext_i8(ptr %p) nounwind {
; LA32-LABEL: test_zext_i8:
; LA32: # %bb.0:
; LA32-NEXT: ld.bu $a0, $a0, 0
; LA32-NEXT: ret
;
; LA64-LABEL: test_zext_i8:
; LA64: # %bb.0:
; LA64-NEXT: ld.bu $a0, $a0, 0
; LA64-NEXT: ret
%a = load i8, ptr %p, align 1
br label %exit
exit:
ret i8 %a
}
define zeroext i16 @test_zext_i16(ptr %p) nounwind {
; LA32-LABEL: test_zext_i16:
; LA32: # %bb.0:
; LA32-NEXT: ld.bu $a1, $a0, 1
; LA32-NEXT: ld.bu $a0, $a0, 0
; LA32-NEXT: slli.w $a1, $a1, 8
; LA32-NEXT: or $a0, $a1, $a0
; LA32-NEXT: ret
;
; LA64-LABEL: test_zext_i16:
; LA64: # %bb.0:
; LA64-NEXT: ld.hu $a0, $a0, 0
; LA64-NEXT: ret
%a = load i16, ptr %p, align 1
br label %exit
exit:
ret i16 %a
}