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 ptr null, align 4 25 26define void @unaligned_store(float %x, float %y) nounwind { 27entry: 28; ARM: @unaligned_store 29; ARM: vmov [[REG:r[0-9]+]], s0 30; ARM: str [[REG]], [{{r[0-9]+}}] 31 32; THUMB: @unaligned_store 33; THUMB: vmov [[REG:r[0-9]+]], s0 34; THUMB: str [[REG]], [{{r[0-9]+}}] 35 36 %add = fadd float %x, %y 37 %0 = load ptr, ptr @a, align 4 38 store float %add, ptr %0, align 1 39 ret void 40} 41 42; Doublewords require only word-alignment. 43; rdar://10528060 44%struct.anon.0 = type { double } 45 46@foo_unpacked = common global %struct.anon.0 zeroinitializer, align 4 47 48define void @word_aligned_f64_store(double %a, double %b) nounwind { 49entry: 50; ARM: @word_aligned_f64_store 51; THUMB: @word_aligned_f64_store 52 %add = fadd double %a, %b 53 store double %add, ptr @foo_unpacked, align 4 54; ARM: vstr d16, [r0] 55; THUMB: vstr d16, [r0] 56 ret void 57} 58 59; Check unaligned loads of floats 60%class.TAlignTest = type <{ i16, float }> 61 62define zeroext i1 @unaligned_f32_load(ptr %this) nounwind align 2 { 63entry: 64; ARM: @unaligned_f32_load 65; THUMB: @unaligned_f32_load 66 %0 = alloca ptr, align 4 67 store ptr %this, ptr %0, align 4 68 %1 = load ptr, ptr %0 69 %2 = getelementptr inbounds %class.TAlignTest, ptr %1, i32 0, i32 1 70 %3 = load float, ptr %2, align 1 71 %4 = fcmp une float %3, 0.000000e+00 72; ARM: ldr r[[R:[0-9]+]], [r0, #2] 73; ARM: vmov s0, r[[R]] 74; ARM: vcmp.f32 s0, #0 75; THUMB: ldr.w r[[R:[0-9]+]], [r0, #2] 76; THUMB: vmov s0, r[[R]] 77; THUMB: vcmp.f32 s0, #0 78 ret i1 %4 79} 80 81define void @unaligned_i16_store(i16 %x, ptr %y) nounwind { 82entry: 83; ARM-STRICT-ALIGN: @unaligned_i16_store 84; ARM-STRICT-ALIGN: strb 85; ARM-STRICT-ALIGN: strb 86 87; THUMB-STRICT-ALIGN: @unaligned_i16_store 88; THUMB-STRICT-ALIGN: strb 89; THUMB-STRICT-ALIGN: strb 90 91 store i16 %x, ptr %y, align 1 92 ret void 93} 94 95define i16 @unaligned_i16_load(ptr %x) nounwind { 96entry: 97; ARM-STRICT-ALIGN: @unaligned_i16_load 98; ARM-STRICT-ALIGN: ldrb 99; ARM-STRICT-ALIGN: ldrb 100 101; THUMB-STRICT-ALIGN: @unaligned_i16_load 102; THUMB-STRICT-ALIGN: ldrb 103; THUMB-STRICT-ALIGN: ldrb 104 105 %0 = load i16, ptr %x, align 1 106 ret i16 %0 107} 108 109define void @unaligned_i32_store(i32 %x, ptr %y) nounwind { 110entry: 111; ARM-STRICT-ALIGN: @unaligned_i32_store 112; ARM-STRICT-ALIGN: strb 113; ARM-STRICT-ALIGN: strb 114; ARM-STRICT-ALIGN: strb 115; ARM-STRICT-ALIGN: strb 116 117; THUMB-STRICT-ALIGN: @unaligned_i32_store 118; THUMB-STRICT-ALIGN: strb 119; THUMB-STRICT-ALIGN: strb 120; THUMB-STRICT-ALIGN: strb 121; THUMB-STRICT-ALIGN: strb 122 123 store i32 %x, ptr %y, align 1 124 ret void 125} 126 127define i32 @unaligned_i32_load(ptr %x) nounwind { 128entry: 129; ARM-STRICT-ALIGN: @unaligned_i32_load 130; ARM-STRICT-ALIGN: ldrb 131; ARM-STRICT-ALIGN: ldrb 132; ARM-STRICT-ALIGN: ldrb 133; ARM-STRICT-ALIGN: ldrb 134 135; THUMB-STRICT-ALIGN: @unaligned_i32_load 136; THUMB-STRICT-ALIGN: ldrb 137; THUMB-STRICT-ALIGN: ldrb 138; THUMB-STRICT-ALIGN: ldrb 139; THUMB-STRICT-ALIGN: ldrb 140 141 %0 = load i32, ptr %x, align 1 142 ret i32 %0 143} 144