71 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llvm-as < %s > %t1.bc
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; RUN: llvm-as < %p/Inputs/common2.ll > %t2.bc
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; Test that the common merging (size + alignment) is properly handled
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; Client marked the "large with little alignment" one as prevailing
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; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
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; RUN:  -r %t1.bc,v,x \
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; RUN:  -r %t2.bc,v,px \
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; RUN:  -r %t1.bc,foo,px \
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; RUN:  -r %t2.bc,bar,px
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; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=LARGE-PREVAILED
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; Same as before, but reversing the order of the inputs
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; RUN: llvm-lto2 run %t2.bc %t1.bc -o %t.o -save-temps \
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; RUN:  -r %t1.bc,v,x \
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; RUN:  -r %t2.bc,v,px \
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; RUN:  -r %t1.bc,foo,px \
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; RUN:  -r %t2.bc,bar,px
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; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=LARGE-PREVAILED
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; Client marked the "small with large alignment" one as prevailing
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; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
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; RUN:  -r %t1.bc,v,px \
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; RUN:  -r %t2.bc,v,x \
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; RUN:  -r %t1.bc,foo,px \
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; RUN:  -r %t2.bc,bar,px
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; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=SMALL-PREVAILED
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; Same as before, but reversing the order of the inputs
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; RUN: llvm-lto2 run %t2.bc %t1.bc -o %t.o -save-temps \
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; RUN:  -r %t1.bc,v,px \
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; RUN:  -r %t2.bc,v,x \
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; RUN:  -r %t1.bc,foo,px \
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; RUN:  -r %t2.bc,bar,px
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; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck  %s --check-prefix=SMALL-PREVAILED
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; Client didn't mark any as prevailing, we keep the first one we see as "external"
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; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
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; RUN:  -r %t1.bc,v,x \
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; RUN:  -r %t2.bc,v,x \
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; RUN:  -r %t1.bc,foo,px \
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; RUN:  -r %t2.bc,bar,px
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; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck  %s --check-prefix=NONE-PREVAILED1
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; Same as before, but reversing the order of the inputs
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; RUN: llvm-lto2 run %t2.bc %t1.bc -o %t.o -save-temps \
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; RUN:  -r %t1.bc,v,x \
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; RUN:  -r %t2.bc,v,x \
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; RUN:  -r %t1.bc,foo,px \
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; RUN:  -r %t2.bc,bar,px
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; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck  %s --check-prefix=NONE-PREVAILED2
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@v = common global i8 0, align 8
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; LARGE-PREVAILED: @v = common global i16 0, align 8
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; SMALL-PREVAILED: @v = common global [2 x i8] zeroinitializer, align 8
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; BOTH-PREVAILED1: @v = common global i16 0, align 8
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; BOTH-PREVAILED2: common global [2 x i8] zeroinitializer, align 8
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; In this case the first is kept as external
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; NONE-PREVAILED1: @v = external global i8, align 8
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; NONE-PREVAILED2: @v = external global i16, align 4
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define i8 *@foo() {
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 ret i8 *@v
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}
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