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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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22
external/llvm/test/CodeGen/AVR/umul-with-overflow.ll vendored Normal file
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@ -0,0 +1,22 @@
; RUN: llc < %s -march=avr | FileCheck %s
define i1 @unsigned_multiplication_did_overflow(i8, i8) unnamed_addr {
; CHECK-LABEL: unsigned_multiplication_did_overflow:
entry-block:
%2 = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %0, i8 %1)
%3 = extractvalue { i8, i1 } %2, 1
ret i1 %3
; Multiply, return if the high byte is zero
;
; CHECK: mul r{{[0-9]+}}, r{{[0-9]+}}
; CHECK: mov [[HIGH:r[0-9]+]], r1
; CHECK: ldi [[RET:r[0-9]+]], 1
; CHECK: cpi {{.*}}[[HIGH]], 0
; CHECK: brne [[LABEL:LBB[_0-9]+]]
; CHECK: ldi {{.*}}[[RET]], 0
; CHECK: {{.*}}[[LABEL]]
; CHECK: ret
}
declare { i8, i1 } @llvm.umul.with.overflow.i8(i8, i8)