; RUN: opt %s -instcombine -S | grep {call.*stacksave} ; PR1745 target 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" target triple = "i686-apple-darwin8" @p = weak global i8* null ; [#uses=1] define i32 @main() { entry: %"alloca point" = bitcast i32 0 to i32 ; [#uses=0] br label %lab lab: ; preds = %cleanup31, %entry %n.0 = phi i32 [ 0, %entry ], [ %tmp25, %cleanup31 ] ; [#uses=2] %tmp2 = call i8* @llvm.stacksave( ) ; [#uses=2] %tmp4 = srem i32 %n.0, 47 ; [#uses=1] %tmp5 = add i32 %tmp4, 1 ; [#uses=5] %tmp7 = sub i32 %tmp5, 1 ; [#uses=0] %tmp89 = zext i32 %tmp5 to i64 ; [#uses=1] %tmp10 = mul i64 %tmp89, 32 ; [#uses=0] %tmp12 = mul i32 %tmp5, 4 ; [#uses=0] %tmp1314 = zext i32 %tmp5 to i64 ; [#uses=1] %tmp15 = mul i64 %tmp1314, 32 ; [#uses=0] %tmp17 = mul i32 %tmp5, 4 ; [#uses=1] %tmp18 = alloca i8, i32 %tmp17 ; [#uses=1] %tmp1819 = bitcast i8* %tmp18 to i32* ; [#uses=2] %tmp21 = getelementptr i32* %tmp1819, i32 0 ; [#uses=1] store i32 1, i32* %tmp21, align 4 %tmp2223 = bitcast i32* %tmp1819 to i8* ; [#uses=1] volatile store i8* %tmp2223, i8** @p, align 4 %tmp25 = add i32 %n.0, 1 ; [#uses=2] %tmp27 = icmp sle i32 %tmp25, 999999 ; [#uses=1] %tmp2728 = zext i1 %tmp27 to i8 ; [#uses=1] %toBool = icmp ne i8 %tmp2728, 0 ; [#uses=1] br i1 %toBool, label %cleanup31, label %cond_next cond_next: ; preds = %lab call void @llvm.stackrestore( i8* %tmp2 ) ret i32 0 cleanup31: ; preds = %lab call void @llvm.stackrestore( i8* %tmp2 ) br label %lab } declare i8* @llvm.stacksave() declare void @llvm.stackrestore(i8*)