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1; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM2; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB3; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN4; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN5 6; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=ARM7; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=THUMB8; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN9; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN10 11; 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-ALIGN12; 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-ALIGN13; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=ARM14; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=THUMB15; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN16; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN17 18; Check unaligned stores19%struct.anon = type <{ float }>20 21@a = common global ptr null, align 422 23define void @unaligned_store(float %x, float %y) nounwind {24entry:25; ARM: @unaligned_store26; ARM: vmov [[REG:r[0-9]+]], s027; ARM: str [[REG]], [{{r[0-9]+}}]28 29; THUMB: @unaligned_store30; THUMB: vmov [[REG:r[0-9]+]], s031; THUMB: str [[REG]], [{{r[0-9]+}}]32 33 %add = fadd float %x, %y34 %0 = load ptr, ptr @a, align 435 store float %add, ptr %0, align 136 ret void37}38 39; Doublewords require only word-alignment.40; rdar://1052806041%struct.anon.0 = type { double }42 43@foo_unpacked = common global %struct.anon.0 zeroinitializer, align 444 45define void @word_aligned_f64_store(double %a, double %b) nounwind {46entry:47; ARM: @word_aligned_f64_store48; THUMB: @word_aligned_f64_store49 %add = fadd double %a, %b50 store double %add, ptr @foo_unpacked, align 451; ARM: vstr d16, [r0]52; THUMB: vstr d16, [r0]53 ret void54}55 56; Check unaligned loads of floats57%class.TAlignTest = type <{ i16, float }>58 59define zeroext i1 @unaligned_f32_load(ptr %this) nounwind align 2 {60entry:61; ARM: @unaligned_f32_load62; THUMB: @unaligned_f32_load63 %0 = alloca ptr, align 464 store ptr %this, ptr %0, align 465 %1 = load ptr, ptr %066 %2 = getelementptr inbounds %class.TAlignTest, ptr %1, i32 0, i32 167 %3 = load float, ptr %2, align 168 %4 = fcmp une float %3, 0.000000e+0069; ARM: ldr r[[R:[0-9]+]], [r0, #2]70; ARM: vmov s0, r[[R]]71; ARM: vcmp.f32 s0, #072; THUMB: ldr.w r[[R:[0-9]+]], [r0, #2]73; THUMB: vmov s0, r[[R]]74; THUMB: vcmp.f32 s0, #075 ret i1 %476}77 78define void @unaligned_i16_store(i16 %x, ptr %y) nounwind {79entry:80; ARM-STRICT-ALIGN: @unaligned_i16_store81; ARM-STRICT-ALIGN: strb82; ARM-STRICT-ALIGN: strb83 84; THUMB-STRICT-ALIGN: @unaligned_i16_store85; THUMB-STRICT-ALIGN: strb86; THUMB-STRICT-ALIGN: strb87 88 store i16 %x, ptr %y, align 189 ret void90}91 92define i16 @unaligned_i16_load(ptr %x) nounwind {93entry:94; ARM-STRICT-ALIGN: @unaligned_i16_load95; ARM-STRICT-ALIGN: ldrb96; ARM-STRICT-ALIGN: ldrb97 98; THUMB-STRICT-ALIGN: @unaligned_i16_load99; THUMB-STRICT-ALIGN: ldrb100; THUMB-STRICT-ALIGN: ldrb101 102 %0 = load i16, ptr %x, align 1103 ret i16 %0104}105 106define void @unaligned_i32_store(i32 %x, ptr %y) nounwind {107entry:108; ARM-STRICT-ALIGN: @unaligned_i32_store109; ARM-STRICT-ALIGN: strb110; ARM-STRICT-ALIGN: strb111; ARM-STRICT-ALIGN: strb112; ARM-STRICT-ALIGN: strb113 114; THUMB-STRICT-ALIGN: @unaligned_i32_store115; THUMB-STRICT-ALIGN: strb116; THUMB-STRICT-ALIGN: strb117; THUMB-STRICT-ALIGN: strb118; THUMB-STRICT-ALIGN: strb119 120 store i32 %x, ptr %y, align 1121 ret void122}123 124define i32 @unaligned_i32_load(ptr %x) nounwind {125entry:126; ARM-STRICT-ALIGN: @unaligned_i32_load127; ARM-STRICT-ALIGN: ldrb128; ARM-STRICT-ALIGN: ldrb129; ARM-STRICT-ALIGN: ldrb130; ARM-STRICT-ALIGN: ldrb131 132; THUMB-STRICT-ALIGN: @unaligned_i32_load133; THUMB-STRICT-ALIGN: ldrb134; THUMB-STRICT-ALIGN: ldrb135; THUMB-STRICT-ALIGN: ldrb136; THUMB-STRICT-ALIGN: ldrb137 138 %0 = load i32, ptr %x, align 1139 ret i32 %0140}141