umul.with.overflow.i16-bug.ll
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; RUN: llc -O1 < %s -march=avr | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9"
%Vs6UInt16 = type <{ i16 }>
%Sb = type <{ i1 }>
define hidden void @setServoAngle(i16) {
; CHECK-LABEL: entry
entry:
%adjustedAngle = alloca %Vs6UInt16, align 2
%1 = bitcast %Vs6UInt16* %adjustedAngle to i8*
%adjustedAngle._value = getelementptr inbounds %Vs6UInt16, %Vs6UInt16* %adjustedAngle, i32 0, i32 0
store i16 %0, i16* %adjustedAngle._value, align 2
;print(unsignedInt: adjustedAngle &* UInt16(11))
; breaks here
%adjustedAngle._value2 = getelementptr inbounds %Vs6UInt16, %Vs6UInt16* %adjustedAngle, i32 0, i32 0
%2 = load i16, i16* %adjustedAngle._value2, align 2
; CHECK: mov r22, r24
; CHECK: mov r23, r25
; CHECK-DAG: ldi r20, 0
; CHECK-DAG: ldi r21, 0
; CHECK-DAG: ldi r18, 11
; CHECK-DAG: ldi r19, 0
; CHECK: mov r24, r20
; CHECK: mov r25, r21
; CHECK: call __mulsi3
%3 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 %2, i16 11)
%4 = extractvalue { i16, i1 } %3, 0
%5 = extractvalue { i16, i1 } %3, 1
; above code looks fine, how is it lowered?
%6 = call i1 @printDefaultParam()
call void @print(i16 %4, i1 %6)
; CHECK: ret
ret void
}
declare void @print(i16, i1)
declare i1 @printDefaultParam()
; Function Attrs: nounwind readnone speculatable
declare { i16, i1 } @llvm.umul.with.overflow.i16(i16, i16)