; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB ; 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 ; 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 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=ARM ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=THUMB ; 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 ; 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 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-nacl -verify-machineinstrs | FileCheck %s --check-prefix=ARM ; 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 ; 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 ; 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 ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=ARM ; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=THUMB ; 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 ; 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 ; Check unaligned stores %struct.anon = type <{ float }> @a = common global %struct.anon* null, align 4 define void @unaligned_store(float %x, float %y) nounwind { entry: ; ARM: @unaligned_store ; ARM: vmov [[REG:r[0-9]+]], s0 ; ARM: str [[REG]], [{{r[0-9]+}}] ; THUMB: @unaligned_store ; THUMB: vmov [[REG:r[0-9]+]], s0 ; THUMB: str [[REG]], [{{r[0-9]+}}] %add = fadd float %x, %y %0 = load %struct.anon*, %struct.anon** @a, align 4 %x1 = getelementptr inbounds %struct.anon, %struct.anon* %0, i32 0, i32 0 store float %add, float* %x1, align 1 ret void } ; Doublewords require only word-alignment. ; rdar://10528060 %struct.anon.0 = type { double } @foo_unpacked = common global %struct.anon.0 zeroinitializer, align 4 define void @word_aligned_f64_store(double %a, double %b) nounwind { entry: ; ARM: @word_aligned_f64_store ; THUMB: @word_aligned_f64_store %add = fadd double %a, %b store double %add, double* getelementptr inbounds (%struct.anon.0, %struct.anon.0* @foo_unpacked, i32 0, i32 0), align 4 ; ARM: vstr d16, [r0] ; THUMB: vstr d16, [r0] ret void } ; Check unaligned loads of floats %class.TAlignTest = type <{ i16, float }> define zeroext i1 @unaligned_f32_load(%class.TAlignTest* %this) nounwind align 2 { entry: ; ARM: @unaligned_f32_load ; THUMB: @unaligned_f32_load %0 = alloca %class.TAlignTest*, align 4 store %class.TAlignTest* %this, %class.TAlignTest** %0, align 4 %1 = load %class.TAlignTest*, %class.TAlignTest** %0 %2 = getelementptr inbounds %class.TAlignTest, %class.TAlignTest* %1, i32 0, i32 1 %3 = load float, float* %2, align 1 %4 = fcmp une float %3, 0.000000e+00 ; ARM: ldr r[[R:[0-9]+]], [r0, #2] ; ARM: vmov s0, r[[R]] ; ARM: vcmp.f32 s0, #0 ; THUMB: ldr.w r[[R:[0-9]+]], [r0, #2] ; THUMB: vmov s0, r[[R]] ; THUMB: vcmp.f32 s0, #0 ret i1 %4 } define void @unaligned_i16_store(i16 %x, i16* %y) nounwind { entry: ; ARM-STRICT-ALIGN: @unaligned_i16_store ; ARM-STRICT-ALIGN: strb ; ARM-STRICT-ALIGN: strb ; THUMB-STRICT-ALIGN: @unaligned_i16_store ; THUMB-STRICT-ALIGN: strb ; THUMB-STRICT-ALIGN: strb store i16 %x, i16* %y, align 1 ret void } define i16 @unaligned_i16_load(i16* %x) nounwind { entry: ; ARM-STRICT-ALIGN: @unaligned_i16_load ; ARM-STRICT-ALIGN: ldrb ; ARM-STRICT-ALIGN: ldrb ; THUMB-STRICT-ALIGN: @unaligned_i16_load ; THUMB-STRICT-ALIGN: ldrb ; THUMB-STRICT-ALIGN: ldrb %0 = load i16, i16* %x, align 1 ret i16 %0 } define void @unaligned_i32_store(i32 %x, i32* %y) nounwind { entry: ; ARM-STRICT-ALIGN: @unaligned_i32_store ; ARM-STRICT-ALIGN: strb ; ARM-STRICT-ALIGN: strb ; ARM-STRICT-ALIGN: strb ; ARM-STRICT-ALIGN: strb ; THUMB-STRICT-ALIGN: @unaligned_i32_store ; THUMB-STRICT-ALIGN: strb ; THUMB-STRICT-ALIGN: strb ; THUMB-STRICT-ALIGN: strb ; THUMB-STRICT-ALIGN: strb store i32 %x, i32* %y, align 1 ret void } define i32 @unaligned_i32_load(i32* %x) nounwind { entry: ; ARM-STRICT-ALIGN: @unaligned_i32_load ; ARM-STRICT-ALIGN: ldrb ; ARM-STRICT-ALIGN: ldrb ; ARM-STRICT-ALIGN: ldrb ; ARM-STRICT-ALIGN: ldrb ; THUMB-STRICT-ALIGN: @unaligned_i32_load ; THUMB-STRICT-ALIGN: ldrb ; THUMB-STRICT-ALIGN: ldrb ; THUMB-STRICT-ALIGN: ldrb ; THUMB-STRICT-ALIGN: ldrb %0 = load i32, i32* %x, align 1 ret i32 %0 }