19 lines
386 B
LLVM
19 lines
386 B
LLVM
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; RUN: llc < %s -march=avr | FileCheck %s
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define i8 @trunc8_loreg(i16 %x, i16 %y) {
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; CHECK-LABEL: trunc8_loreg:
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; CHECK: mov r24, r22
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; CHECK-NEXT: ret
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%conv = trunc i16 %y to i8
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ret i8 %conv
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}
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define i8 @trunc8_hireg(i16 %x, i16 %y) {
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; CHECK-LABEL: trunc8_hireg:
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; CHECK: mov r24, r23
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; CHECK-NEXT: ret
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%shr1 = lshr i16 %y, 8
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%conv = trunc i16 %shr1 to i8
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ret i8 %conv
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}
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