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f7651ec593
Even if they are suported by the core, they can be disabled (this is just a configuration bit inside some register). Allow unaligned memops on darwin and conservatively disallow them otherwise. llvm-svn: 94889
29 lines
810 B
LLVM
29 lines
810 B
LLVM
; RUN: llc < %s -march=arm | FileCheck %s -check-prefix=GENERIC
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; RUN: llc < %s -mtriple=armv6-apple-darwin | FileCheck %s -check-prefix=DARWIN_V6
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; RUN: llc < %s -mtriple=armv6-linux | FileCheck %s -check-prefix=GENERIC
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; rdar://7113725
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define arm_apcscc void @t(i8* nocapture %a, i8* nocapture %b) nounwind {
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entry:
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; GENERIC: t:
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; GENERIC: ldrb r2
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; GENERIC: ldrb r3
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; GENERIC: ldrb r12
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; GENERIC: ldrb r1
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; GENERIC: strb r1
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; GENERIC: strb r12
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; GENERIC: strb r3
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; GENERIC: strb r2
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; DARWIN_V6: t:
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; DARWIN_V6: ldr r1
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; DARWIN_V6: str r1
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%__src1.i = bitcast i8* %b to i32* ; <i32*> [#uses=1]
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%__dest2.i = bitcast i8* %a to i32* ; <i32*> [#uses=1]
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%tmp.i = load i32* %__src1.i, align 1 ; <i32> [#uses=1]
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store i32 %tmp.i, i32* %__dest2.i, align 1
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ret void
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}
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