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llvm-project/llvm/test/CodeGen/ARM/unaligned_load_store.ll

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Change allowsUnalignedMemoryAccesses to take type argument since some targets support unaligned mem access only for certain types. (Should it be size instead?) ARM v7 supports unaligned access for i16 and i32, some v6 variants support it as well. llvm-svn: 79127
2009-08-16 03:23:44 +08:00
; RUN: llvm-as < %s | llc -march=arm | FileCheck %s -check-prefix=GENERIC
; RUN: llvm-as < %s | llc -mtriple=armv6-apple-darwin | FileCheck %s -check-prefix=DARWIN_V6
; RUN: llvm-as < %s | llc -march=arm -mattr=+v7a | FileCheck %s -check-prefix=V7
Expand unaligned loads/stores when the target doesn't support them. (PR1548) llvm-svn: 40682
2007-08-02 03:34:21 +08:00
Change allowsUnalignedMemoryAccesses to take type argument since some targets support unaligned mem access only for certain types. (Should it be size instead?) ARM v7 supports unaligned access for i16 and i32, some v6 variants support it as well. llvm-svn: 79127
2009-08-16 03:23:44 +08:00
; rdar://7113725
Expand unaligned loads/stores when the target doesn't support them. (PR1548) llvm-svn: 40682
2007-08-02 03:34:21 +08:00
Change allowsUnalignedMemoryAccesses to take type argument since some targets support unaligned mem access only for certain types. (Should it be size instead?) ARM v7 supports unaligned access for i16 and i32, some v6 variants support it as well. llvm-svn: 79127
2009-08-16 03:23:44 +08:00
define arm_apcscc void @t(i8* nocapture %a, i8* nocapture %b) nounwind {
Expand unaligned loads/stores when the target doesn't support them. (PR1548) llvm-svn: 40682
2007-08-02 03:34:21 +08:00
entry:
Change allowsUnalignedMemoryAccesses to take type argument since some targets support unaligned mem access only for certain types. (Should it be size instead?) ARM v7 supports unaligned access for i16 and i32, some v6 variants support it as well. llvm-svn: 79127
2009-08-16 03:23:44 +08:00
; GENERIC: t:
; GENERIC: ldrb r2
; GENERIC: ldrb r3
; GENERIC: ldrb r12
; GENERIC: ldrb r1
; GENERIC: strb r1
; GENERIC: strb r12
; GENERIC: strb r3
; GENERIC: strb r2
; DARWIN_V6: t:
; DARWIN_V6: ldr r1
; DARWIN_V6: str r1
; V7: t:
; V7: ldr r1
; V7: str r1
%__src1.i = bitcast i8* %b to i32* ; <i32*> [#uses=1]
%__dest2.i = bitcast i8* %a to i32* ; <i32*> [#uses=1]
%tmp.i = load i32* %__src1.i, align 1 ; <i32> [#uses=1]
store i32 %tmp.i, i32* %__dest2.i, align 1
ret void
Expand unaligned loads/stores when the target doesn't support them. (PR1548) llvm-svn: 40682
2007-08-02 03:34:21 +08:00
}