forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			68 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -constprop -S | FileCheck %s
 | |
| 
 | |
| %struct = type { i32, [4 x i8] }
 | |
| 
 | |
| define i32 @test1() {
 | |
|   %A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 0
 | |
|   ret i32 %A
 | |
| ; CHECK-LABEL: @test1(
 | |
| ; CHECK: ret i32 2
 | |
| }
 | |
| 
 | |
| define i8 @test2() {
 | |
|   %A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 1, 2
 | |
|   ret i8 %A
 | |
| ; CHECK-LABEL: @test2(
 | |
| ; CHECK: ret i8 111
 | |
| }
 | |
| 
 | |
| define i32 @test3() {
 | |
|   %A = extractvalue [3 x %struct] [ %struct { i32 0, [4 x i8] c"aaaa" }, %struct { i32 1, [4 x i8] c"bbbb" }, %struct { i32 2, [4 x i8] c"cccc" } ], 1, 0
 | |
|   ret i32 %A
 | |
| ; CHECK-LABEL: @test3(
 | |
| ; CHECK: ret i32 1
 | |
| }
 | |
| 
 | |
| define i32 @zeroinitializer-test1() {
 | |
|   %A = extractvalue %struct zeroinitializer, 0
 | |
|   ret i32 %A
 | |
| ; CHECK: @zeroinitializer-test1
 | |
| ; CHECK: ret i32 0
 | |
| }
 | |
| 
 | |
| define i8 @zeroinitializer-test2() {
 | |
|   %A = extractvalue %struct zeroinitializer, 1, 2
 | |
|   ret i8 %A
 | |
| ; CHECK: @zeroinitializer-test2
 | |
| ; CHECK: ret i8 0
 | |
| }
 | |
| 
 | |
| define i32 @zeroinitializer-test3() {
 | |
|   %A = extractvalue [3 x %struct] zeroinitializer, 1, 0
 | |
|   ret i32 %A
 | |
| ; CHECK: @zeroinitializer-test3
 | |
| ; CHECK: ret i32 0
 | |
| }
 | |
| 
 | |
| define i32 @undef-test1() {
 | |
|   %A = extractvalue %struct undef, 0
 | |
|   ret i32 %A
 | |
| ; CHECK: @undef-test1
 | |
| ; CHECK: ret i32 undef
 | |
| }
 | |
| 
 | |
| define i8 @undef-test2() {
 | |
|   %A = extractvalue %struct undef, 1, 2
 | |
|   ret i8 %A
 | |
| ; CHECK: @undef-test2
 | |
| ; CHECK: ret i8 undef
 | |
| }
 | |
| 
 | |
| define i32 @undef-test3() {
 | |
|   %A = extractvalue [3 x %struct] undef, 1, 0
 | |
|   ret i32 %A
 | |
| ; CHECK: @undef-test3
 | |
| ; CHECK: ret i32 undef
 | |
| }
 | |
| 
 |