1 ; RUN: llc < %s -march=xcore | FileCheck %s 2 3 @size = global i32 0 ; <i32*> [#uses=1] 4 @g0 = external global i32 ; <i32*> [#uses=2] 5 @g1 = external global i32 ; <i32*> [#uses=2] 6 @g2 = external global i32 ; <i32*> [#uses=2] 7 @g3 = external global i32 ; <i32*> [#uses=2] 8 @g4 = external global i32 ; <i32*> [#uses=2] 9 @g5 = external global i32 ; <i32*> [#uses=2] 10 @g6 = external global i32 ; <i32*> [#uses=2] 11 @g7 = external global i32 ; <i32*> [#uses=2] 12 @g8 = external global i32 ; <i32*> [#uses=2] 13 @g9 = external global i32 ; <i32*> [#uses=2] 14 @g10 = external global i32 ; <i32*> [#uses=2] 15 @g11 = external global i32 ; <i32*> [#uses=2] 16 17 define void @f() nounwind { 18 entry: 19 %x = alloca [100 x i32], align 4 ; <[100 x i32]*> [#uses=2] 20 %0 = load i32, i32* @size, align 4 ; <i32> [#uses=1] 21 %1 = alloca i32, i32 %0, align 4 ; <i32*> [#uses=1] 22 %2 = load volatile i32, i32* @g0, align 4 ; <i32> [#uses=1] 23 %3 = load volatile i32, i32* @g1, align 4 ; <i32> [#uses=1] 24 %4 = load volatile i32, i32* @g2, align 4 ; <i32> [#uses=1] 25 %5 = load volatile i32, i32* @g3, align 4 ; <i32> [#uses=1] 26 %6 = load volatile i32, i32* @g4, align 4 ; <i32> [#uses=1] 27 %7 = load volatile i32, i32* @g5, align 4 ; <i32> [#uses=1] 28 %8 = load volatile i32, i32* @g6, align 4 ; <i32> [#uses=1] 29 %9 = load volatile i32, i32* @g7, align 4 ; <i32> [#uses=1] 30 %10 = load volatile i32, i32* @g8, align 4 ; <i32> [#uses=1] 31 %11 = load volatile i32, i32* @g9, align 4 ; <i32> [#uses=1] 32 %12 = load volatile i32, i32* @g10, align 4 ; <i32> [#uses=1] 33 %13 = load volatile i32, i32* @g11, align 4 ; <i32> [#uses=2] 34 %14 = getelementptr [100 x i32], [100 x i32]* %x, i32 0, i32 50 ; <i32*> [#uses=1] 35 store i32 %13, i32* %14, align 4 36 store volatile i32 %13, i32* @g11, align 4 37 store volatile i32 %12, i32* @g10, align 4 38 store volatile i32 %11, i32* @g9, align 4 39 store volatile i32 %10, i32* @g8, align 4 40 store volatile i32 %9, i32* @g7, align 4 41 store volatile i32 %8, i32* @g6, align 4 42 store volatile i32 %7, i32* @g5, align 4 43 store volatile i32 %6, i32* @g4, align 4 44 store volatile i32 %5, i32* @g3, align 4 45 store volatile i32 %4, i32* @g2, align 4 46 store volatile i32 %3, i32* @g1, align 4 47 store volatile i32 %2, i32* @g0, align 4 48 %x1 = getelementptr [100 x i32], [100 x i32]* %x, i32 0, i32 0 ; <i32*> [#uses=1] 49 call void @g(i32* %x1, i32* %1) nounwind 50 ret void 51 } 52 declare void @g(i32*, i32*) 53 54 55 ; CHECK: .section .cp.rodata.cst4,"aMc",@progbits,4 56 ; CHECK: .p2align 2 57 ; CHECK: [[ARG5:.LCPI[0-9_]+]]: 58 ; CHECK: .long 100003 59 ; CHECK: [[INDEX0:.LCPI[0-9_]+]]: 60 ; CHECK: .long 80002 61 ; CHECK: [[INDEX1:.LCPI[0-9_]+]]: 62 ; CHECK: .long 81002 63 ; CHECK: [[INDEX2:.LCPI[0-9_]+]]: 64 ; CHECK: .long 82002 65 ; CHECK: [[INDEX3:.LCPI[0-9_]+]]: 66 ; CHECK: .long 83002 67 ; CHECK: [[INDEX4:.LCPI[0-9_]+]]: 68 ; CHECK: .long 84002 69 ; CHECK: .text 70 ; !FP + large frame: spill SR+SR = entsp 2 + 100000 71 ; CHECK-LABEL: ScavengeSlots: 72 ; CHECK: entsp 65535 73 ; CHECK: extsp 34467 74 ; scavenge r11 75 ; CHECK: ldaw r11, sp[0] 76 ; scavenge r4 using SR spill slot 77 ; CHECK: stw r4, sp[1] 78 ; CHECK: ldw r4, cp{{\[}}[[ARG5]]{{\]}} 79 ; r11 used to load 5th argument 80 ; CHECK: ldw r11, r11[r4] 81 ; CHECK: ldaw r4, sp[0] 82 ; scavenge r5 using SR spill slot 83 ; CHECK: stw r5, sp[0] 84 ; CHECK: ldw r5, cp{{\[}}[[INDEX0]]{{\]}} 85 ; r4 & r5 used by InsertSPConstInst() to emit STW_l3r instruction. 86 ; CHECK: stw r0, r4[r5] 87 ; CHECK: ldaw r0, sp[0] 88 ; CHECK: ldw r5, cp{{\[}}[[INDEX1]]{{\]}} 89 ; CHECK: stw r1, r0[r5] 90 ; CHECK: ldaw r0, sp[0] 91 ; CHECK: ldw r1, cp{{\[}}[[INDEX2]]{{\]}} 92 ; CHECK: stw r2, r0[r1] 93 ; CHECK: ldaw r0, sp[0] 94 ; CHECK: ldw r1, cp{{\[}}[[INDEX3]]{{\]}} 95 ; CHECK: stw r3, r0[r1] 96 ; CHECK: ldaw r0, sp[0] 97 ; CHECK: ldw r1, cp{{\[}}[[INDEX4]]{{\]}} 98 ; CHECK: stw r11, r0[r1] 99 ; CHECK: ldaw sp, sp[65535] 100 ; CHECK: ldw r4, sp[1] 101 ; CHECK: ldw r5, sp[0] 102 ; CHECK: retsp 34467 103 define void @ScavengeSlots(i32 %r0, i32 %r1, i32 %r2, i32 %r3, i32 %r4) nounwind { 104 entry: 105 %Data = alloca [100000 x i32] 106 %i0 = getelementptr inbounds [100000 x i32], [100000 x i32]* %Data, i32 0, i32 80000 107 store volatile i32 %r0, i32* %i0 108 %i1 = getelementptr inbounds [100000 x i32], [100000 x i32]* %Data, i32 0, i32 81000 109 store volatile i32 %r1, i32* %i1 110 %i2 = getelementptr inbounds [100000 x i32], [100000 x i32]* %Data, i32 0, i32 82000 111 store volatile i32 %r2, i32* %i2 112 %i3 = getelementptr inbounds [100000 x i32], [100000 x i32]* %Data, i32 0, i32 83000 113 store volatile i32 %r3, i32* %i3 114 %i4 = getelementptr inbounds [100000 x i32], [100000 x i32]* %Data, i32 0, i32 84000 115 store volatile i32 %r4, i32* %i4 116 ret void 117 } 118
