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ab6b226978
linkage: the value may be replaced with something different at link time. (Frontends that want to allow values to be loaded out of weak constants can give their constants weak_odr linkage). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67407 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
993 B
LLVM
39 lines
993 B
LLVM
; RUN: llvm-as < %s | opt -std-compile-opts | llvm-dis > %t
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; RUN: grep undef %t | count 1
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; RUN: grep 5 %t | count 1
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; RUN: grep 7 %t | count 1
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; RUN: grep 9 %t | count 1
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type { i32, i32 } ; type %0
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@a = weak constant i32 undef ; <i32*> [#uses=1]
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@b = weak constant i32 5 ; <i32*> [#uses=1]
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@c = weak constant %0 { i32 7, i32 9 } ; <%0*> [#uses=1]
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define i32 @la() {
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%v = load i32* @a ; <i32> [#uses=1]
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ret i32 %v
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}
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define i32 @lb() {
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%v = load i32* @b ; <i32> [#uses=1]
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ret i32 %v
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}
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define i32 @lc() {
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%g = getelementptr %0* @c, i32 0, i32 0 ; <i32*> [#uses=1]
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%u = load i32* %g ; <i32> [#uses=1]
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%h = getelementptr %0* @c, i32 0, i32 1 ; <i32*> [#uses=1]
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%v = load i32* %h ; <i32> [#uses=1]
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%r = add i32 %u, %v
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ret i32 %r
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}
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define i32 @f() {
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%u = call i32 @la() ; <i32> [#uses=1]
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%v = call i32 @lb() ; <i32> [#uses=1]
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%w = call i32 @lc() ; <i32> [#uses=1]
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%r = add i32 %u, %v ; <i32> [#uses=1]
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%s = add i32 %r, %w ; <i32> [#uses=1]
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ret i32 %s
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}
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