31 lines
		
	
	
		
			934 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			934 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by update_test_checks.py
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| ; RUN: opt < %s -instsimplify -S | FileCheck %s
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| 
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| @zeroinit = constant {} zeroinitializer
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| @undef = constant {} undef
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| 
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| define i32 @crash_on_zeroinit() {
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| ; CHECK-LABEL: @crash_on_zeroinit(
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| ; CHECK:         ret i32 0
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| ;
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|   %load = load i32, i32* bitcast ({}* @zeroinit to i32*)
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|   ret i32 %load
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| }
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| 
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| define i32 @crash_on_undef() {
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| ; CHECK-LABEL: @crash_on_undef(
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| ; CHECK:         ret i32 undef
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| ;
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|   %load = load i32, i32* bitcast ({}* @undef to i32*)
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|   ret i32 %load
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| }
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| 
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| @GV = private constant [8 x i32] [i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48, i32 49]
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| 
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| define <8 x i32> @partial_load() {
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| ; CHECK-LABEL: @partial_load(
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| ; CHECK:         ret <8 x i32> <i32 0, i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48>
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|   %load = load <8 x i32>, <8 x i32>* bitcast (i32* getelementptr ([8 x i32], [8 x i32]* @GV, i64 0, i64 -1) to <8 x i32>*)
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|   ret <8 x i32> %load
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| }
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