1 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM 2 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB 3 ; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN 4 ; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN 5 6 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=ARM 7 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=THUMB 8 ; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN 9 ; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN 10 11 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-nacl -verify-machineinstrs | FileCheck %s --check-prefix=ARM 12 ; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-nacl -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN 13 14 ; RUN: llc < %s -O0 -mattr=+strict-align -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN 15 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN 16 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=ARM 17 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=THUMB 18 ; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN 19 ; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN 20 21 ; Check unaligned stores 22 %struct.anon = type <{ float }> 23 24 @a = common global %struct.anon* null, align 4 25 26 define void @unaligned_store(float %x, float %y) nounwind { 27 entry: 28 ; ARM: @unaligned_store 29 ; ARM: vmov r1, s0 30 ; ARM: str r1, [r0] 31 32 ; THUMB: @unaligned_store 33 ; THUMB: vmov r1, s0 34 ; THUMB: str r1, [r0] 35 36 %add = fadd float %x, %y 37 %0 = load %struct.anon*, %struct.anon** @a, align 4 38 %x1 = getelementptr inbounds %struct.anon, %struct.anon* %0, i32 0, i32 0 39 store float %add, float* %x1, align 1 40 ret void 41 } 42 43 ; Doublewords require only word-alignment. 44 ; rdar://10528060 45 %struct.anon.0 = type { double } 46 47 @foo_unpacked = common global %struct.anon.0 zeroinitializer, align 4 48 49 define void @word_aligned_f64_store(double %a, double %b) nounwind { 50 entry: 51 ; ARM: @word_aligned_f64_store 52 ; THUMB: @word_aligned_f64_store 53 %add = fadd double %a, %b 54 store double %add, double* getelementptr inbounds (%struct.anon.0, %struct.anon.0* @foo_unpacked, i32 0, i32 0), align 4 55 ; ARM: vstr d16, [r0] 56 ; THUMB: vstr d16, [r0] 57 ret void 58 } 59 60 ; Check unaligned loads of floats 61 %class.TAlignTest = type <{ i16, float }> 62 63 define zeroext i1 @unaligned_f32_load(%class.TAlignTest* %this) nounwind align 2 { 64 entry: 65 ; ARM: @unaligned_f32_load 66 ; THUMB: @unaligned_f32_load 67 %0 = alloca %class.TAlignTest*, align 4 68 store %class.TAlignTest* %this, %class.TAlignTest** %0, align 4 69 %1 = load %class.TAlignTest*, %class.TAlignTest** %0 70 %2 = getelementptr inbounds %class.TAlignTest, %class.TAlignTest* %1, i32 0, i32 1 71 %3 = load float, float* %2, align 1 72 %4 = fcmp une float %3, 0.000000e+00 73 ; ARM: ldr r[[R:[0-9]+]], [r0, #2] 74 ; ARM: vmov s0, r[[R]] 75 ; ARM: vcmpe.f32 s0, #0 76 ; THUMB: ldr.w r[[R:[0-9]+]], [r0, #2] 77 ; THUMB: vmov s0, r[[R]] 78 ; THUMB: vcmpe.f32 s0, #0 79 ret i1 %4 80 } 81 82 define void @unaligned_i16_store(i16 %x, i16* %y) nounwind { 83 entry: 84 ; ARM-STRICT-ALIGN: @unaligned_i16_store 85 ; ARM-STRICT-ALIGN: strb 86 ; ARM-STRICT-ALIGN: strb 87 88 ; THUMB-STRICT-ALIGN: @unaligned_i16_store 89 ; THUMB-STRICT-ALIGN: strb 90 ; THUMB-STRICT-ALIGN: strb 91 92 store i16 %x, i16* %y, align 1 93 ret void 94 } 95 96 define i16 @unaligned_i16_load(i16* %x) nounwind { 97 entry: 98 ; ARM-STRICT-ALIGN: @unaligned_i16_load 99 ; ARM-STRICT-ALIGN: ldrb 100 ; ARM-STRICT-ALIGN: ldrb 101 102 ; THUMB-STRICT-ALIGN: @unaligned_i16_load 103 ; THUMB-STRICT-ALIGN: ldrb 104 ; THUMB-STRICT-ALIGN: ldrb 105 106 %0 = load i16, i16* %x, align 1 107 ret i16 %0 108 } 109 110 define void @unaligned_i32_store(i32 %x, i32* %y) nounwind { 111 entry: 112 ; ARM-STRICT-ALIGN: @unaligned_i32_store 113 ; ARM-STRICT-ALIGN: strb 114 ; ARM-STRICT-ALIGN: strb 115 ; ARM-STRICT-ALIGN: strb 116 ; ARM-STRICT-ALIGN: strb 117 118 ; THUMB-STRICT-ALIGN: @unaligned_i32_store 119 ; THUMB-STRICT-ALIGN: strb 120 ; THUMB-STRICT-ALIGN: strb 121 ; THUMB-STRICT-ALIGN: strb 122 ; THUMB-STRICT-ALIGN: strb 123 124 store i32 %x, i32* %y, align 1 125 ret void 126 } 127 128 define i32 @unaligned_i32_load(i32* %x) nounwind { 129 entry: 130 ; ARM-STRICT-ALIGN: @unaligned_i32_load 131 ; ARM-STRICT-ALIGN: ldrb 132 ; ARM-STRICT-ALIGN: ldrb 133 ; ARM-STRICT-ALIGN: ldrb 134 ; ARM-STRICT-ALIGN: ldrb 135 136 ; THUMB-STRICT-ALIGN: @unaligned_i32_load 137 ; THUMB-STRICT-ALIGN: ldrb 138 ; THUMB-STRICT-ALIGN: ldrb 139 ; THUMB-STRICT-ALIGN: ldrb 140 ; THUMB-STRICT-ALIGN: ldrb 141 142 %0 = load i32, i32* %x, align 1 143 ret i32 %0 144 } 145
