31 lines
		
	
	
		
			893 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			893 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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| ; RUN: opt -codegenprepare -S -mtriple=x86_64-linux < %s | FileCheck %s
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| 
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| define i32 @test1(i8* %d) nounwind {
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| ; CHECK-LABEL: @test1(
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| ; CHECK-NEXT:  entry:
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| ; CHECK-NEXT:    [[L:%.*]] = load i8, i8* [[D:%.*]], align 1
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| ; CHECK-NEXT:    [[TMP0:%.*]] = icmp eq i8 [[L]], 0
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| ; CHECK-NEXT:    [[CONV:%.*]] = zext i1 [[TMP0]] to i32
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| ; CHECK-NEXT:    ret i32 [[CONV]]
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| ;
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| entry:
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|   %l = load i8, i8* %d
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|   %cmp = icmp eq i8 %l, 0
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|   br i1 %cmp, label %exit, label %if.end
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| 
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| if.end:
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|   %gep = getelementptr i8, i8* %d, i32 42
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|   %call = call i64 @foo(i8* %gep) nounwind readonly willreturn
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|   %cmp2 = icmp ne i64 %call, 0
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|   call void @llvm.assume(i1 %cmp2)
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|   br label %exit
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| 
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| exit:
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|   %conv = zext i1 %cmp to i32
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|   ret i32 %conv
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| }
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| 
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| declare i64 @foo(i8*) nounwind readonly willreturn
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| declare void @llvm.assume(i1 noundef) nounwind willreturn
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