File: smul-with-overflow-3.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | llc -march=x86 | grep {jno} | count 1

@ok = internal constant [4 x i8] c"%d\0A\00"
@no = internal constant [4 x i8] c"no\0A\00"

define i1 @func1(i32 %v1, i32 %v2) nounwind {
entry:
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
  %sum = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  br i1 %obit, label %overflow, label %normal

overflow:
  %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind
  ret i1 false

normal:
  %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
  ret i1 true
}

declare i32 @printf(i8*, ...) nounwind
declare {i32, i1} @llvm.smul.with.overflow.i32(i32, i32)