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1; RUN: opt < %s -passes=instcombine -S | grep "call.*llvm.stackrestore"2; PR24883target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"4target triple = "i386-pc-linux-gnu"5@p = weak global ptr null ; <ptr> [#uses=2]6 7define i32 @main() nounwind {8entry:9 %tmp248 = call ptr @llvm.stacksave( ) ; <ptr> [#uses=1]10 %tmp2752 = alloca i32 ; <ptr> [#uses=2]11 store i32 2, ptr %tmp2752, align 412 store volatile ptr %tmp2752, ptr @p, align 413 br label %bb4414 15bb: ; preds = %bb4416 ret i32 017 18bb44: ; preds = %bb44, %entry19 %indvar = phi i32 [ 0, %entry ], [ %tmp3857, %bb44 ] ; <i32> [#uses=1]20 %tmp249 = phi ptr [ %tmp248, %entry ], [ %tmp2, %bb44 ] ; <ptr> [#uses=1]21 %tmp3857 = add i32 %indvar, 1 ; <i32> [#uses=3]22 call void @llvm.stackrestore( ptr %tmp249 )23 %tmp2 = call ptr @llvm.stacksave( ) ; <ptr> [#uses=1]24 %tmp4 = srem i32 %tmp3857, 1000 ; <i32> [#uses=2]25 %tmp5 = add i32 %tmp4, 1 ; <i32> [#uses=1]26 %tmp27 = alloca i32, i32 %tmp5 ; <ptr> [#uses=3]27 store i32 1, ptr %tmp27, align 428 %tmp34 = getelementptr i32, ptr %tmp27, i32 %tmp4 ; <ptr> [#uses=1]29 store i32 2, ptr %tmp34, align 430 store volatile ptr %tmp27, ptr @p, align 431 %exitcond = icmp eq i32 %tmp3857, 999999 ; <i1> [#uses=1]32 br i1 %exitcond, label %bb, label %bb4433}34 35declare ptr @llvm.stacksave() nounwind 36 37declare void @llvm.stackrestore(ptr) nounwind 38