1; RUN: opt < %s -passes=instcombine -S | grep "call.*stacksave" 2; PR1745 3target 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-f80:128:128" 4target triple = "i686-apple-darwin8" 5@p = weak global ptr null ; <ptr> [#uses=1] 6 7define i32 @main() { 8entry: 9 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 10 br label %lab 11 12lab: ; preds = %cleanup31, %entry 13 %n.0 = phi i32 [ 0, %entry ], [ %tmp25, %cleanup31 ] ; <i32> [#uses=2] 14 %tmp2 = call ptr @llvm.stacksave( ) ; <ptr> [#uses=2] 15 %tmp4 = srem i32 %n.0, 47 ; <i32> [#uses=1] 16 %tmp5 = add i32 %tmp4, 1 ; <i32> [#uses=5] 17 %tmp7 = sub i32 %tmp5, 1 ; <i32> [#uses=0] 18 %tmp89 = zext i32 %tmp5 to i64 ; <i64> [#uses=1] 19 %tmp10 = mul i64 %tmp89, 32 ; <i64> [#uses=0] 20 %tmp12 = mul i32 %tmp5, 4 ; <i32> [#uses=0] 21 %tmp1314 = zext i32 %tmp5 to i64 ; <i64> [#uses=1] 22 %tmp15 = mul i64 %tmp1314, 32 ; <i64> [#uses=0] 23 %tmp17 = mul i32 %tmp5, 4 ; <i32> [#uses=1] 24 %tmp18 = alloca i8, i32 %tmp17 ; <ptr> [#uses=1] 25 %tmp21 = getelementptr i32, ptr %tmp18, i32 0 ; <ptr> [#uses=1] 26 store i32 1, ptr %tmp21, align 4 27 store volatile ptr %tmp18, ptr @p, align 4 28 %tmp25 = add i32 %n.0, 1 ; <i32> [#uses=2] 29 %tmp27 = icmp sle i32 %tmp25, 999999 ; <i1> [#uses=1] 30 %tmp2728 = zext i1 %tmp27 to i8 ; <i8> [#uses=1] 31 %toBool = icmp ne i8 %tmp2728, 0 ; <i1> [#uses=1] 32 br i1 %toBool, label %cleanup31, label %cond_next 33 34cond_next: ; preds = %lab 35 call void @llvm.stackrestore( ptr %tmp2 ) 36 ret i32 0 37 38cleanup31: ; preds = %lab 39 call void @llvm.stackrestore( ptr %tmp2 ) 40 br label %lab 41} 42 43declare ptr @llvm.stacksave() 44 45declare void @llvm.stackrestore(ptr) 46