1; RUN: llc -verify-machineinstrs < %s -mtriple=armv4t | FileCheck %s -check-prefix=CHECK-v4A32 2; RUN: llc -verify-machineinstrs < %s -mtriple=armv7a | FileCheck %s -check-prefix=CHECK-v7A32 3; RUN: llc -verify-machineinstrs < %s -mtriple=thumbv7a | FileCheck %s -check-prefix=CHECK-THUMB2 4; FIXME: There are no tests for Thumb1 since dynamic stack alignment is not supported for 5; Thumb1. 6 7define i32 @f_bic_can_be_used_align() nounwind { 8entry: 9; CHECK-LABEL: f_bic_can_be_used_align: 10; CHECK-v7A32: bfc sp, #0, #8 11; CHECK-v4A32: bic sp, sp, #255 12; CHECK-THUMB2: mov r4, sp 13; CHECK-THUMB2-NEXT: bfc r4, #0, #8 14; CHECK-THUMB2-NEXT: mov sp, r4 15 %x = alloca i32, align 256 16 store volatile i32 0, i32* %x, align 256 17 ret i32 0 18} 19 20define i32 @f_too_large_for_bic_align() nounwind { 21entry: 22; CHECK-LABEL: f_too_large_for_bic_align: 23; CHECK-v7A32: bfc sp, #0, #9 24; CHECK-v4A32: lsr sp, sp, #9 25; CHECK-v4A32: lsl sp, sp, #9 26; CHECK-THUMB2: mov r4, sp 27; CHECK-THUMB2-NEXT: bfc r4, #0, #9 28; CHECK-THUMB2-NEXT: mov sp, r4 29 %x = alloca i32, align 512 30 store volatile i32 0, i32* %x, align 512 31 ret i32 0 32} 33 34define i8* @f_alignedDPRCS2Spills(double* %d) #0 { 35entry: 36; CHECK-LABEL: f_too_large_for_bic_align: 37; CHECK-v7A32: bfc sp, #0, #12 38; CHECK-v4A32: lsr sp, sp, #12 39; CHECK-v4A32: lsl sp, sp, #12 40; CHECK-THUMB2: bfc r4, #0, #12 41; CHECK-THUMB2-NEXT: mov sp, r4 42 %a = alloca i8, align 4096 43 %0 = load double, double* %d, align 4 44 %arrayidx1 = getelementptr inbounds double, double* %d, i32 1 45 %1 = load double, double* %arrayidx1, align 4 46 %arrayidx2 = getelementptr inbounds double, double* %d, i32 2 47 %2 = load double, double* %arrayidx2, align 4 48 %arrayidx3 = getelementptr inbounds double, double* %d, i32 3 49 %3 = load double, double* %arrayidx3, align 4 50 %arrayidx4 = getelementptr inbounds double, double* %d, i32 4 51 %4 = load double, double* %arrayidx4, align 4 52 %arrayidx5 = getelementptr inbounds double, double* %d, i32 5 53 %5 = load double, double* %arrayidx5, align 4 54 %arrayidx6 = getelementptr inbounds double, double* %d, i32 6 55 %6 = load double, double* %arrayidx6, align 4 56 %arrayidx7 = getelementptr inbounds double, double* %d, i32 7 57 %7 = load double, double* %arrayidx7, align 4 58 %arrayidx8 = getelementptr inbounds double, double* %d, i32 8 59 %8 = load double, double* %arrayidx8, align 4 60 %arrayidx9 = getelementptr inbounds double, double* %d, i32 9 61 %9 = load double, double* %arrayidx9, align 4 62 %arrayidx10 = getelementptr inbounds double, double* %d, i32 10 63 %10 = load double, double* %arrayidx10, align 4 64 %arrayidx11 = getelementptr inbounds double, double* %d, i32 11 65 %11 = load double, double* %arrayidx11, align 4 66 %arrayidx12 = getelementptr inbounds double, double* %d, i32 12 67 %12 = load double, double* %arrayidx12, align 4 68 %arrayidx13 = getelementptr inbounds double, double* %d, i32 13 69 %13 = load double, double* %arrayidx13, align 4 70 %arrayidx14 = getelementptr inbounds double, double* %d, i32 14 71 %14 = load double, double* %arrayidx14, align 4 72 %arrayidx15 = getelementptr inbounds double, double* %d, i32 15 73 %15 = load double, double* %arrayidx15, align 4 74 %arrayidx16 = getelementptr inbounds double, double* %d, i32 16 75 %16 = load double, double* %arrayidx16, align 4 76 %arrayidx17 = getelementptr inbounds double, double* %d, i32 17 77 %17 = load double, double* %arrayidx17, align 4 78 %arrayidx18 = getelementptr inbounds double, double* %d, i32 18 79 %18 = load double, double* %arrayidx18, align 4 80 %arrayidx19 = getelementptr inbounds double, double* %d, i32 19 81 %19 = load double, double* %arrayidx19, align 4 82 %arrayidx20 = getelementptr inbounds double, double* %d, i32 20 83 %20 = load double, double* %arrayidx20, align 4 84 %arrayidx21 = getelementptr inbounds double, double* %d, i32 21 85 %21 = load double, double* %arrayidx21, align 4 86 %arrayidx22 = getelementptr inbounds double, double* %d, i32 22 87 %22 = load double, double* %arrayidx22, align 4 88 %arrayidx23 = getelementptr inbounds double, double* %d, i32 23 89 %23 = load double, double* %arrayidx23, align 4 90 %arrayidx24 = getelementptr inbounds double, double* %d, i32 24 91 %24 = load double, double* %arrayidx24, align 4 92 %arrayidx25 = getelementptr inbounds double, double* %d, i32 25 93 %25 = load double, double* %arrayidx25, align 4 94 %arrayidx26 = getelementptr inbounds double, double* %d, i32 26 95 %26 = load double, double* %arrayidx26, align 4 96 %arrayidx27 = getelementptr inbounds double, double* %d, i32 27 97 %27 = load double, double* %arrayidx27, align 4 98 %arrayidx28 = getelementptr inbounds double, double* %d, i32 28 99 %28 = load double, double* %arrayidx28, align 4 100 %arrayidx29 = getelementptr inbounds double, double* %d, i32 29 101 %29 = load double, double* %arrayidx29, align 4 102 %div = fdiv double %29, %28 103 %div30 = fdiv double %div, %27 104 %div31 = fdiv double %div30, %26 105 %div32 = fdiv double %div31, %25 106 %div33 = fdiv double %div32, %24 107 %div34 = fdiv double %div33, %23 108 %div35 = fdiv double %div34, %22 109 %div36 = fdiv double %div35, %21 110 %div37 = fdiv double %div36, %20 111 %div38 = fdiv double %div37, %19 112 %div39 = fdiv double %div38, %18 113 %div40 = fdiv double %div39, %17 114 %div41 = fdiv double %div40, %16 115 %div42 = fdiv double %div41, %15 116 %div43 = fdiv double %div42, %14 117 %div44 = fdiv double %div43, %13 118 %div45 = fdiv double %div44, %12 119 %div46 = fdiv double %div45, %11 120 %div47 = fdiv double %div46, %10 121 %div48 = fdiv double %div47, %9 122 %div49 = fdiv double %div48, %8 123 %div50 = fdiv double %div49, %7 124 %div51 = fdiv double %div50, %6 125 %div52 = fdiv double %div51, %5 126 %div53 = fdiv double %div52, %4 127 %div54 = fdiv double %div53, %3 128 %div55 = fdiv double %div54, %2 129 %div56 = fdiv double %div55, %1 130 %div57 = fdiv double %div56, %0 131 %div58 = fdiv double %0, %1 132 %div59 = fdiv double %div58, %2 133 %div60 = fdiv double %div59, %3 134 %div61 = fdiv double %div60, %4 135 %div62 = fdiv double %div61, %5 136 %div63 = fdiv double %div62, %6 137 %div64 = fdiv double %div63, %7 138 %div65 = fdiv double %div64, %8 139 %div66 = fdiv double %div65, %9 140 %div67 = fdiv double %div66, %10 141 %div68 = fdiv double %div67, %11 142 %div69 = fdiv double %div68, %12 143 %div70 = fdiv double %div69, %13 144 %div71 = fdiv double %div70, %14 145 %div72 = fdiv double %div71, %15 146 %div73 = fdiv double %div72, %16 147 %div74 = fdiv double %div73, %17 148 %div75 = fdiv double %div74, %18 149 %div76 = fdiv double %div75, %19 150 %div77 = fdiv double %div76, %20 151 %div78 = fdiv double %div77, %21 152 %div79 = fdiv double %div78, %22 153 %div80 = fdiv double %div79, %23 154 %div81 = fdiv double %div80, %24 155 %div82 = fdiv double %div81, %25 156 %div83 = fdiv double %div82, %26 157 %div84 = fdiv double %div83, %27 158 %div85 = fdiv double %div84, %28 159 %div86 = fdiv double %div85, %29 160 %mul = fmul double %div57, %div86 161 %conv = fptosi double %mul to i32 162 %add.ptr = getelementptr inbounds i8, i8* %a, i32 %conv 163 ret i8* %add.ptr 164} 165