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1; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s2 3; CodeGen should align the top of the loop, which differs from the loop4; header in this case.5 6; CHECK: jmp LBB0_27; CHECK: .p2align8; CHECK: LBB0_1:9 10@A = common global [100 x i32] zeroinitializer, align 32 ; <ptr> [#uses=1]11 12define ptr @test(ptr %Q, ptr %L) nounwind {13entry:14 %tmp = tail call i32 (...) @foo() nounwind ; <i32> [#uses=2]15 %tmp1 = inttoptr i32 %tmp to ptr ; <ptr> [#uses=1]16 br label %bb117 18bb: ; preds = %bb1, %bb119 %indvar.next = add i32 %P.0.rec, 1 ; <i32> [#uses=1]20 br label %bb121 22bb1: ; preds = %bb, %entry23 %P.0.rec = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]24 %P.0 = getelementptr i8, ptr %tmp1, i32 %P.0.rec ; <ptr> [#uses=3]25 %tmp2 = load i8, ptr %P.0, align 1 ; <i8> [#uses=1]26 switch i8 %tmp2, label %bb4 [27 i8 12, label %bb28 i8 42, label %bb29 ]30 31bb4: ; preds = %bb132 %tmp3 = ptrtoint ptr %P.0 to i32 ; <i32> [#uses=1]33 %tmp4 = sub i32 %tmp3, %tmp ; <i32> [#uses=1]34 %tmp5 = getelementptr [100 x i32], ptr @A, i32 0, i32 %tmp4 ; <ptr> [#uses=1]35 store i32 4, ptr %tmp5, align 436 ret ptr %P.037}38 39declare i32 @foo(...)40