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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122185 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			221 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			221 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llc < %s
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; Verify codegen's don't crash on overflow intrinsics.
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;; SADD
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define zeroext i8 @sadd_i8(i8 signext %a, i8 signext %b) nounwind ssp {
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entry:
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  %sadd = tail call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 %a, i8 %b)
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  %cmp = extractvalue { i8, i1 } %sadd, 1
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  %sadd.result = extractvalue { i8, i1 } %sadd, 0
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  %X = select i1 %cmp, i8 %sadd.result, i8 42
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  ret i8 %X
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}
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declare { i8, i1 } @llvm.sadd.with.overflow.i8(i8, i8) nounwind readnone
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define zeroext i16 @sadd_i16(i16 signext %a, i16 signext %b) nounwind ssp {
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entry:
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  %sadd = tail call { i16, i1 } @llvm.sadd.with.overflow.i16(i16 %a, i16 %b)
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  %cmp = extractvalue { i16, i1 } %sadd, 1
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  %sadd.result = extractvalue { i16, i1 } %sadd, 0
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  %X = select i1 %cmp, i16 %sadd.result, i16 42
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  ret i16 %X
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}
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declare { i16, i1 } @llvm.sadd.with.overflow.i16(i16, i16) nounwind readnone
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define zeroext i32 @sadd_i32(i32 signext %a, i32 signext %b) nounwind ssp {
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entry:
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  %sadd = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 %b)
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  %cmp = extractvalue { i32, i1 } %sadd, 1
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  %sadd.result = extractvalue { i32, i1 } %sadd, 0
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  %X = select i1 %cmp, i32 %sadd.result, i32 42
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  ret i32 %X
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}
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declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
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;; UADD
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define zeroext i8 @uadd_i8(i8 signext %a, i8 signext %b) nounwind ssp {
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entry:
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  %uadd = tail call { i8, i1 } @llvm.uadd.with.overflow.i8(i8 %a, i8 %b)
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  %cmp = extractvalue { i8, i1 } %uadd, 1
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  %uadd.result = extractvalue { i8, i1 } %uadd, 0
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  %X = select i1 %cmp, i8 %uadd.result, i8 42
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  ret i8 %X
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}
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declare { i8, i1 } @llvm.uadd.with.overflow.i8(i8, i8) nounwind readnone
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define zeroext i16 @uadd_i16(i16 signext %a, i16 signext %b) nounwind ssp {
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entry:
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  %uadd = tail call { i16, i1 } @llvm.uadd.with.overflow.i16(i16 %a, i16 %b)
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  %cmp = extractvalue { i16, i1 } %uadd, 1
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  %uadd.result = extractvalue { i16, i1 } %uadd, 0
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  %X = select i1 %cmp, i16 %uadd.result, i16 42
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  ret i16 %X
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}
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declare { i16, i1 } @llvm.uadd.with.overflow.i16(i16, i16) nounwind readnone
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define zeroext i32 @uadd_i32(i32 signext %a, i32 signext %b) nounwind ssp {
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entry:
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  %uadd = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 %b)
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  %cmp = extractvalue { i32, i1 } %uadd, 1
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  %uadd.result = extractvalue { i32, i1 } %uadd, 0
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  %X = select i1 %cmp, i32 %uadd.result, i32 42
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  ret i32 %X
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}
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declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
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;; ssub
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define zeroext i8 @ssub_i8(i8 signext %a, i8 signext %b) nounwind ssp {
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entry:
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  %ssub = tail call { i8, i1 } @llvm.ssub.with.overflow.i8(i8 %a, i8 %b)
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  %cmp = extractvalue { i8, i1 } %ssub, 1
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  %ssub.result = extractvalue { i8, i1 } %ssub, 0
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  %X = select i1 %cmp, i8 %ssub.result, i8 42
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  ret i8 %X
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}
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declare { i8, i1 } @llvm.ssub.with.overflow.i8(i8, i8) nounwind readnone
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define zeroext i16 @ssub_i16(i16 signext %a, i16 signext %b) nounwind ssp {
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entry:
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  %ssub = tail call { i16, i1 } @llvm.ssub.with.overflow.i16(i16 %a, i16 %b)
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  %cmp = extractvalue { i16, i1 } %ssub, 1
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  %ssub.result = extractvalue { i16, i1 } %ssub, 0
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  %X = select i1 %cmp, i16 %ssub.result, i16 42
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  ret i16 %X
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}
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declare { i16, i1 } @llvm.ssub.with.overflow.i16(i16, i16) nounwind readnone
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define zeroext i32 @ssub_i32(i32 signext %a, i32 signext %b) nounwind ssp {
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entry:
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  %ssub = tail call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b)
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  %cmp = extractvalue { i32, i1 } %ssub, 1
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  %ssub.result = extractvalue { i32, i1 } %ssub, 0
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  %X = select i1 %cmp, i32 %ssub.result, i32 42
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  ret i32 %X
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}
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declare { i32, i1 } @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
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;; usub
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define zeroext i8 @usub_i8(i8 signext %a, i8 signext %b) nounwind ssp {
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entry:
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  %usub = tail call { i8, i1 } @llvm.usub.with.overflow.i8(i8 %a, i8 %b)
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  %cmp = extractvalue { i8, i1 } %usub, 1
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  %usub.result = extractvalue { i8, i1 } %usub, 0
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  %X = select i1 %cmp, i8 %usub.result, i8 42
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  ret i8 %X
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}
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declare { i8, i1 } @llvm.usub.with.overflow.i8(i8, i8) nounwind readnone
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define zeroext i16 @usub_i16(i16 signext %a, i16 signext %b) nounwind ssp {
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entry:
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  %usub = tail call { i16, i1 } @llvm.usub.with.overflow.i16(i16 %a, i16 %b)
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  %cmp = extractvalue { i16, i1 } %usub, 1
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  %usub.result = extractvalue { i16, i1 } %usub, 0
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  %X = select i1 %cmp, i16 %usub.result, i16 42
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  ret i16 %X
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}
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declare { i16, i1 } @llvm.usub.with.overflow.i16(i16, i16) nounwind readnone
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define zeroext i32 @usub_i32(i32 signext %a, i32 signext %b) nounwind ssp {
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entry:
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  %usub = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %a, i32 %b)
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  %cmp = extractvalue { i32, i1 } %usub, 1
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  %usub.result = extractvalue { i32, i1 } %usub, 0
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  %X = select i1 %cmp, i32 %usub.result, i32 42
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  ret i32 %X
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}
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declare { i32, i1 } @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
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;; smul
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define zeroext i8 @smul_i8(i8 signext %a, i8 signext %b) nounwind ssp {
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entry:
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  %smul = tail call { i8, i1 } @llvm.smul.with.overflow.i8(i8 %a, i8 %b)
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  %cmp = extractvalue { i8, i1 } %smul, 1
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  %smul.result = extractvalue { i8, i1 } %smul, 0
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  %X = select i1 %cmp, i8 %smul.result, i8 42
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  ret i8 %X
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}
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declare { i8, i1 } @llvm.smul.with.overflow.i8(i8, i8) nounwind readnone
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define zeroext i16 @smul_i16(i16 signext %a, i16 signext %b) nounwind ssp {
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entry:
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  %smul = tail call { i16, i1 } @llvm.smul.with.overflow.i16(i16 %a, i16 %b)
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  %cmp = extractvalue { i16, i1 } %smul, 1
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  %smul.result = extractvalue { i16, i1 } %smul, 0
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  %X = select i1 %cmp, i16 %smul.result, i16 42
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  ret i16 %X
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}
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declare { i16, i1 } @llvm.smul.with.overflow.i16(i16, i16) nounwind readnone
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define zeroext i32 @smul_i32(i32 signext %a, i32 signext %b) nounwind ssp {
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entry:
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  %smul = tail call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %a, i32 %b)
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  %cmp = extractvalue { i32, i1 } %smul, 1
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  %smul.result = extractvalue { i32, i1 } %smul, 0
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  %X = select i1 %cmp, i32 %smul.result, i32 42
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  ret i32 %X
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}
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declare { i32, i1 } @llvm.smul.with.overflow.i32(i32, i32) nounwind readnone
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;; umul
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define zeroext i8 @umul_i8(i8 signext %a, i8 signext %b) nounwind ssp {
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entry:
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  %umul = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 %b)
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  %cmp = extractvalue { i8, i1 } %umul, 1
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  %umul.result = extractvalue { i8, i1 } %umul, 0
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  %X = select i1 %cmp, i8 %umul.result, i8 42
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  ret i8 %X
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}
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declare { i8, i1 } @llvm.umul.with.overflow.i8(i8, i8) nounwind readnone
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define zeroext i16 @umul_i16(i16 signext %a, i16 signext %b) nounwind ssp {
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entry:
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  %umul = tail call { i16, i1 } @llvm.umul.with.overflow.i16(i16 %a, i16 %b)
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  %cmp = extractvalue { i16, i1 } %umul, 1
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  %umul.result = extractvalue { i16, i1 } %umul, 0
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  %X = select i1 %cmp, i16 %umul.result, i16 42
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  ret i16 %X
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}
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declare { i16, i1 } @llvm.umul.with.overflow.i16(i16, i16) nounwind readnone
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define zeroext i32 @umul_i32(i32 signext %a, i32 signext %b) nounwind ssp {
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entry:
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  %umul = tail call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %a, i32 %b)
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  %cmp = extractvalue { i32, i1 } %umul, 1
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  %umul.result = extractvalue { i32, i1 } %umul, 0
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  %X = select i1 %cmp, i32 %umul.result, i32 42
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  ret i32 %X
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}
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declare { i32, i1 } @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
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