1 ; RUN: llc < %s -march=x86 -relocation-model=pic | FileCheck %s -check-prefix=PIC 2 ; RUN: llc < %s -march=x86 -relocation-model=static | FileCheck %s -check-prefix=STATIC 3 ; 4 ; Make sure the common loop invariant A is hoisted up to preheader, 5 ; since too many registers are needed to subsume it into the addressing modes. 6 ; It's safe to sink A in when it's not pic. 7 8 ; PIC: align 9 ; PIC: movl $4, -4([[REG:%e[a-z]+]]) 10 ; PIC: movl $5, ([[REG]]) 11 ; PIC: addl $4, [[REG]] 12 ; PIC: decl {{%e[[a-z]+}} 13 ; PIC: jne 14 15 ; STATIC: align 16 ; STATIC: movl $4, -4(%ecx) 17 ; STATIC: movl $5, (%ecx) 18 ; STATIC: addl $4, %ecx 19 ; STATIC: decl %eax 20 ; STATIC: jne 21 22 @A = global [16 x [16 x i32]] zeroinitializer, align 32 ; <[16 x [16 x i32]]*> [#uses=2] 23 24 define void @test(i32 %row, i32 %N.in) nounwind { 25 entry: 26 %N = bitcast i32 %N.in to i32 ; <i32> [#uses=1] 27 %tmp5 = icmp sgt i32 %N.in, 0 ; <i1> [#uses=1] 28 br i1 %tmp5, label %cond_true, label %return 29 30 cond_true: ; preds = %cond_true, %entry 31 %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2] 32 %i.0.0 = bitcast i32 %indvar to i32 ; <i32> [#uses=2] 33 %tmp2 = add i32 %i.0.0, 1 ; <i32> [#uses=1] 34 %tmp = getelementptr [16 x [16 x i32]], [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp2 ; <i32*> [#uses=1] 35 store i32 4, i32* %tmp 36 %tmp5.upgrd.1 = add i32 %i.0.0, 2 ; <i32> [#uses=1] 37 %tmp7 = getelementptr [16 x [16 x i32]], [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp5.upgrd.1 ; <i32*> [#uses=1] 38 store i32 5, i32* %tmp7 39 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] 40 %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1] 41 br i1 %exitcond, label %return, label %cond_true 42 43 return: ; preds = %cond_true, %entry 44 ret void 45 } 46
