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	This update was done with the following bash script:
  find test/Transforms -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
		
	
		
			
				
	
	
		
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; Test that the strncat libcall simplifier works correctly.
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| ;
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| ; RUN: opt < %s -instcombine -S | FileCheck %s
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| 
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| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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| 
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| @hello = constant [6 x i8] c"hello\00"
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| @null = constant [1 x i8] zeroinitializer
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| @null_hello = constant [7 x i8] c"\00hello\00"
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| 
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| declare i8* @strncat(i8*, i8*, i32)
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| declare i32 @puts(i8*)
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| 
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| define i32 @main() {
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| ; CHECK-LABEL: @main(
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| ; CHECK-NOT: call i8* @strncat
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| ; CHECK: call i32 @puts
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| 
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|   %target = alloca [1024 x i8]
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|   %arg1 = getelementptr [1024 x i8]* %target, i32 0, i32 0
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|   store i8 0, i8* %arg1
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| 
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|   ; rslt1 = strncat(target, "hello\00")
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|   %arg2 = getelementptr [6 x i8]* @hello, i32 0, i32 0
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|   %rslt1 = call i8* @strncat(i8* %arg1, i8* %arg2, i32 6)
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| 
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|   ; rslt2 = strncat(rslt1, "\00")
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|   %arg3 = getelementptr [1 x i8]* @null, i32 0, i32 0
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|   %rslt2 = call i8* @strncat(i8* %rslt1, i8* %arg3, i32 42)
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| 
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|   ; rslt3 = strncat(rslt2, "\00hello\00")
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|   %arg4 = getelementptr [7 x i8]* @null_hello, i32 0, i32 0
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|   %rslt3 = call i8* @strncat(i8* %rslt2, i8* %arg4, i32 42)
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| 
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|   call i32 @puts(i8* %rslt3)
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|   ret i32 0
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| }
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