forked from OSchip/llvm-project
29 lines
741 B
LLVM
29 lines
741 B
LLVM
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; RUN: llc -mattr=avr6,-mul < %s -march=avr | FileCheck %s
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; RUN: llc -mcpu=attiny85 < %s -march=avr | FileCheck %s
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; RUN: llc -mcpu=ata5272 < %s -march=avr | FileCheck %s
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; RUN: llc -mcpu=attiny861a < %s -march=avr | FileCheck %s
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; RUN: llc -mcpu=at90usb82 < %s -march=avr | FileCheck %s
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; Tests lowering of multiplication to compiler support routines.
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; CHECK-LABEL: mul8:
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define i8 @mul8(i8 %a, i8 %b) {
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; CHECK: mov r25, r24
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; CHECK: mov r24, r22
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; CHECK: mov r22, r25
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; CHECK: call __mulqi3
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%mul = mul i8 %b, %a
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ret i8 %mul
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}
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; CHECK-LABEL: mul16:
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define i16 @mul16(i16 %a, i16 %b) {
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; CHECK: movw r18, r24
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; CHECK: movw r24, r22
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; CHECK: movw r22, r18
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; CHECK: call __mulhi3
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%mul = mul nsw i16 %b, %a
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ret i16 %mul
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}
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