llvm-6502/test/Transforms/Inline/inline_prune.ll

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; RUN: opt < %s -inline -S | \
; RUN: not grep "callee[12]("
; RUN: opt < %s -inline -S | not grep mul
define internal i32 @callee1(i32 %A, i32 %B) {
%cond = icmp eq i32 %A, 123 ; <i1> [#uses=1]
br i1 %cond, label %T, label %F
T: ; preds = %0
%C = mul i32 %B, %B ; <i32> [#uses=1]
ret i32 %C
F: ; preds = %0
ret i32 0
}
define internal i32 @callee2(i32 %A, i32 %B) {
switch i32 %A, label %T [
i32 10, label %F
i32 1234, label %G
]
; No predecessors!
%cond = icmp eq i32 %A, 123 ; <i1> [#uses=1]
br i1 %cond, label %T, label %F
T: ; preds = %1, %0
%C = mul i32 %B, %B ; <i32> [#uses=1]
ret i32 %C
F: ; preds = %1, %0
ret i32 0
G: ; preds = %0
%D = mul i32 %B, %B ; <i32> [#uses=1]
%E = mul i32 %D, %B ; <i32> [#uses=1]
ret i32 %E
}
define i32 @test(i32 %A) {
%X = call i32 @callee1( i32 10, i32 %A ) ; <i32> [#uses=1]
%Y = call i32 @callee2( i32 10, i32 %A ) ; <i32> [#uses=1]
%Z = add i32 %X, %Y ; <i32> [#uses=1]
ret i32 %Z
}