1 ; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s 2 3 ; CodeGen should align the top of the loop, which differs from the loop 4 ; header in this case. 5 6 ; CHECK: jmp LBB0_2 7 ; CHECK: .align 8 ; CHECK: LBB0_1: 9 10 @A = common global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1] 11 12 define i8* @test(i8* %Q, i32* %L) nounwind { 13 entry: 14 %tmp = tail call i32 (...)* @foo() nounwind ; <i32> [#uses=2] 15 %tmp1 = inttoptr i32 %tmp to i8* ; <i8*> [#uses=1] 16 br label %bb1 17 18 bb: ; preds = %bb1, %bb1 19 %indvar.next = add i32 %P.0.rec, 1 ; <i32> [#uses=1] 20 br label %bb1 21 22 bb1: ; preds = %bb, %entry 23 %P.0.rec = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2] 24 %P.0 = getelementptr i8* %tmp1, i32 %P.0.rec ; <i8*> [#uses=3] 25 %tmp2 = load i8* %P.0, align 1 ; <i8> [#uses=1] 26 switch i8 %tmp2, label %bb4 [ 27 i8 12, label %bb 28 i8 42, label %bb 29 ] 30 31 bb4: ; preds = %bb1 32 %tmp3 = ptrtoint i8* %P.0 to i32 ; <i32> [#uses=1] 33 %tmp4 = sub i32 %tmp3, %tmp ; <i32> [#uses=1] 34 %tmp5 = getelementptr [100 x i32]* @A, i32 0, i32 %tmp4 ; <i32*> [#uses=1] 35 store i32 4, i32* %tmp5, align 4 36 ret i8* %P.0 37 } 38 39 declare i32 @foo(...) 40
