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; Test that the inliner doesn't leave around dead allocas, and that it folds
; uncond branches away after it is done specializing.
; RUN: llvm-as < %s | opt -inline -disable-output &&
; RUN: llvm-as < %s | opt -inline | llvm-dis | not grep 'alloca.*uses=0' &&
; RUN: llvm-as < %s | opt -inline | llvm-dis | not grep 'br label'
%A = weak global int 0 ; <int*> [#uses=1]
%B = weak global int 0 ; <int*> [#uses=1]
%C = weak global int 0 ; <int*> [#uses=1]
implementation ; Functions:
internal fastcc void %foo(int %X) {
entry:
%ALL = alloca int, align 4 ; <int*> [#uses=1]
%tmp1 = and int %X, 1 ; <int> [#uses=1]
%tmp1 = seteq int %tmp1, 0 ; <bool> [#uses=1]
br bool %tmp1, label %cond_next, label %cond_true
cond_true: ; preds = %entry
store int 1, int* %A
br label %cond_next
cond_next: ; preds = %entry, %cond_true
%tmp4 = and int %X, 2 ; <int> [#uses=1]
%tmp4 = seteq int %tmp4, 0 ; <bool> [#uses=1]
br bool %tmp4, label %cond_next7, label %cond_true5
cond_true5: ; preds = %cond_next
store int 1, int* %B
br label %cond_next7
cond_next7: ; preds = %cond_next, %cond_true5
%tmp10 = and int %X, 4 ; <int> [#uses=1]
%tmp10 = seteq int %tmp10, 0 ; <bool> [#uses=1]
br bool %tmp10, label %cond_next13, label %cond_true11
cond_true11: ; preds = %cond_next7
store int 1, int* %C
br label %cond_next13
cond_next13: ; preds = %cond_next7, %cond_true11
%tmp16 = and int %X, 8 ; <int> [#uses=1]
%tmp16 = seteq int %tmp16, 0 ; <bool> [#uses=1]
br bool %tmp16, label %UnifiedReturnBlock, label %cond_true17
cond_true17: ; preds = %cond_next13
call void %ext( int* %ALL )
ret void
UnifiedReturnBlock: ; preds = %cond_next13
ret void
}
declare void %ext(int*)
void %test() {
entry:
tail call fastcc void %foo( int 1 )
tail call fastcc void %foo( int 2 )
tail call fastcc void %foo( int 3 )
tail call fastcc void %foo( int 8 )
ret void
}
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