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1; RUN: llc < %s -mtriple=i686-apple-darwin -relocation-model=static | FileCheck %s -check-prefix=STATIC2; RUN: llc < %s -mtriple=i686-apple-darwin -relocation-model=pic | FileCheck %s -check-prefix=PIC3 4; By starting the IV at -64 instead of 0, a cmp is eliminated,5; as the flags from the add can be used directly.6 7; STATIC: movl $-64, [[EAX:%e..]]8 9; STATIC: movl %{{.+}}, _state+76([[EAX]])10; STATIC: addl $16, [[EAX]]11; STATIC: jne12 13; The same for PIC mode.14 15; PIC: movl $-64, [[EAX:%e..]]16 17; PIC: movl %{{.+}}, 76(%{{.+}},[[EAX]])18; PIC: addl $16, [[EAX]]19; PIC: jne20 21@state = external global [0 x i32] ; <ptr> [#uses=4]22@S = external global [0 x i32] ; <ptr> [#uses=4]23 24define i32 @foo() nounwind {25entry:26 br label %bb27 28bb: ; preds = %bb, %entry29 %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]30 %t.063.0 = phi i32 [ 0, %entry ], [ %tmp47, %bb ] ; <i32> [#uses=1]31 %j.065.0 = shl i32 %indvar, 2 ; <i32> [#uses=4]32 %tmp3 = getelementptr [0 x i32], ptr @state, i32 0, i32 %j.065.0 ; <ptr> [#uses=2]33 %tmp4 = load i32, ptr %tmp3, align 4 ; <i32> [#uses=1]34 %tmp6 = getelementptr [0 x i32], ptr @S, i32 0, i32 %t.063.0 ; <ptr> [#uses=1]35 %tmp7 = load i32, ptr %tmp6, align 4 ; <i32> [#uses=1]36 %tmp8 = xor i32 %tmp7, %tmp4 ; <i32> [#uses=2]37 store i32 %tmp8, ptr %tmp3, align 438 %tmp1378 = or disjoint i32 %j.065.0, 1 ; <i32> [#uses=1]39 %tmp16 = getelementptr [0 x i32], ptr @state, i32 0, i32 %tmp1378 ; <ptr> [#uses=2]40 %tmp17 = load i32, ptr %tmp16, align 4 ; <i32> [#uses=1]41 %tmp19 = getelementptr [0 x i32], ptr @S, i32 0, i32 %tmp8 ; <ptr> [#uses=1]42 %tmp20 = load i32, ptr %tmp19, align 4 ; <i32> [#uses=1]43 %tmp21 = xor i32 %tmp20, %tmp17 ; <i32> [#uses=2]44 store i32 %tmp21, ptr %tmp16, align 445 %tmp2680 = or disjoint i32 %j.065.0, 2 ; <i32> [#uses=1]46 %tmp29 = getelementptr [0 x i32], ptr @state, i32 0, i32 %tmp2680 ; <ptr> [#uses=2]47 %tmp30 = load i32, ptr %tmp29, align 4 ; <i32> [#uses=1]48 %tmp32 = getelementptr [0 x i32], ptr @S, i32 0, i32 %tmp21 ; <ptr> [#uses=1]49 %tmp33 = load i32, ptr %tmp32, align 4 ; <i32> [#uses=1]50 %tmp34 = xor i32 %tmp33, %tmp30 ; <i32> [#uses=2]51 store i32 %tmp34, ptr %tmp29, align 452 %tmp3982 = or disjoint i32 %j.065.0, 3 ; <i32> [#uses=1]53 %tmp42 = getelementptr [0 x i32], ptr @state, i32 0, i32 %tmp3982 ; <ptr> [#uses=2]54 %tmp43 = load i32, ptr %tmp42, align 4 ; <i32> [#uses=1]55 %tmp45 = getelementptr [0 x i32], ptr @S, i32 0, i32 %tmp34 ; <ptr> [#uses=1]56 %tmp46 = load i32, ptr %tmp45, align 4 ; <i32> [#uses=1]57 %tmp47 = xor i32 %tmp46, %tmp43 ; <i32> [#uses=3]58 store i32 %tmp47, ptr %tmp42, align 459 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]60 %exitcond = icmp eq i32 %indvar.next, 4 ; <i1> [#uses=1]61 br i1 %exitcond, label %bb57, label %bb62 63bb57: ; preds = %bb64 %tmp59 = and i32 %tmp47, 255 ; <i32> [#uses=1]65 ret i32 %tmp5966}67