| ; RUN: opt < %s -O3 -S > %t |
| ; RUN: grep 'constant i32 undef' %t | count 1 |
| ; RUN: grep 'constant i32 5' %t | count 1 |
| ; RUN: grep 'i32 7' %t | count 1 |
| ; RUN: grep 'i32 9' %t | count 1 |
| |
| %0 = type { i32, i32 } ; type %0 |
| @a = weak constant i32 undef ; <i32*> [#uses=1] |
| @b = weak constant i32 5 ; <i32*> [#uses=1] |
| @c = weak constant %0 { i32 7, i32 9 } ; <%0*> [#uses=1] |
| |
| define i32 @la() { |
| %v = load i32, i32* @a ; <i32> [#uses=1] |
| ret i32 %v |
| } |
| |
| define i32 @lb() { |
| %v = load i32, i32* @b ; <i32> [#uses=1] |
| ret i32 %v |
| } |
| |
| define i32 @lc() { |
| %g = getelementptr %0, %0* @c, i32 0, i32 0 ; <i32*> [#uses=1] |
| %u = load i32, i32* %g ; <i32> [#uses=1] |
| %h = getelementptr %0, %0* @c, i32 0, i32 1 ; <i32*> [#uses=1] |
| %v = load i32, i32* %h ; <i32> [#uses=1] |
| %r = add i32 %u, %v |
| ret i32 %r |
| } |
| |
| define i32 @f() { |
| %u = call i32 @la() ; <i32> [#uses=1] |
| %v = call i32 @lb() ; <i32> [#uses=1] |
| %w = call i32 @lc() ; <i32> [#uses=1] |
| %r = add i32 %u, %v ; <i32> [#uses=1] |
| %s = add i32 %r, %w ; <i32> [#uses=1] |
| ret i32 %s |
| } |