1 ; Test that functions with dynamic allocas get inlined in a case where 2 ; naively inlining it would result in a miscompilation. 3 ; Functions with dynamic allocas can only be inlined into functions that 4 ; already have dynamic allocas. 5 6 ; RUN: opt < %s -inline -S | \ 7 ; RUN: grep llvm.stacksave 8 ; RUN: opt < %s -inline -S | not grep callee 9 10 11 declare void @ext(i32*) 12 13 define internal void @callee(i32 %N) { 14 %P = alloca i32, i32 %N ; <i32*> [#uses=1] 15 call void @ext( i32* %P ) 16 ret void 17 } 18 19 define void @foo(i32 %N) { 20 ; <label>:0 21 %P = alloca i32, i32 %N ; <i32*> [#uses=1] 22 call void @ext( i32* %P ) 23 br label %Loop 24 25 Loop: ; preds = %Loop, %0 26 %count = phi i32 [ 0, %0 ], [ %next, %Loop ] ; <i32> [#uses=2] 27 %next = add i32 %count, 1 ; <i32> [#uses=1] 28 call void @callee( i32 %N ) 29 %cond = icmp eq i32 %count, 100000 ; <i1> [#uses=1] 30 br i1 %cond, label %out, label %Loop 31 32 out: ; preds = %Loop 33 ret void 34 } 35 36
