forked from OSchip/llvm-project
19 lines
577 B
LLVM
19 lines
577 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-- -combiner-shrink-load-replace-store-with-store=false | FileCheck %s
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define void @shrink(i16* %ptr) {
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; CHECK-LABEL: shrink:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movzbl (%rdi), %eax
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; CHECK-NEXT: orl $25600, %eax # imm = 0x6400
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; CHECK-NEXT: movw %ax, (%rdi)
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; CHECK-NEXT: retq
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entry:
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%val = load i16, i16* %ptr
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%masked_val = and i16 %val, 255
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%replaced_val = or i16 %masked_val, 25600
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store i16 %replaced_val, i16* %ptr
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ret void
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}
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