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https://github.com/c64scene-ar/llvm-6502.git
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d10eab0a95
aligned address. Based on patch by David Peixotto. Also use vld1.64 / vst1.64 with 128-bit alignment to take advantage of alignment hints. rdar://12090772, rdar://12238782 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164089 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
1.9 KiB
LLVM
78 lines
1.9 KiB
LLVM
; RUN: llc < %s -march=arm -pre-RA-sched=source | FileCheck %s -check-prefix=EXPANDED
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; RUN: llc < %s -mtriple=armv6-apple-darwin -mcpu=cortex-a8 -mattr=-neon -arm-strict-align -pre-RA-sched=source | FileCheck %s -check-prefix=EXPANDED
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; RUN: llc < %s -mtriple=armv6-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=UNALIGNED
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; rdar://7113725
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; rdar://12091029
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define void @t(i8* nocapture %a, i8* nocapture %b) nounwind {
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entry:
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; EXPANDED: t:
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; EXPANDED: ldrb [[R2:r[0-9]+]]
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; EXPANDED: ldrb [[R3:r[0-9]+]]
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; EXPANDED: ldrb [[R12:r[0-9]+]]
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; EXPANDED: ldrb [[R1:r[0-9]+]]
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; EXPANDED: strb [[R1]]
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; EXPANDED: strb [[R12]]
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; EXPANDED: strb [[R3]]
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; EXPANDED: strb [[R2]]
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; UNALIGNED: t:
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; UNALIGNED: ldr r1
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; UNALIGNED: 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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define void @hword(double* %a, double* %b) nounwind {
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entry:
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; EXPANDED: hword:
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; EXPANDED-NOT: vld1
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; EXPANDED: ldrh
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; EXPANDED-NOT: str1
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; EXPANDED: strh
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; UNALIGNED: hword:
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; UNALIGNED: vld1.16
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; UNALIGNED: vst1.16
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%tmp = load double* %a, align 2
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store double %tmp, double* %b, align 2
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ret void
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}
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define void @byte(double* %a, double* %b) nounwind {
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entry:
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; EXPANDED: byte:
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; EXPANDED-NOT: vld1
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; EXPANDED: ldrb
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; EXPANDED-NOT: str1
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; EXPANDED: strb
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; UNALIGNED: byte:
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; UNALIGNED: vld1.8
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; UNALIGNED: vst1.8
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%tmp = load double* %a, align 1
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store double %tmp, double* %b, align 1
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ret void
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}
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define void @byte_word_ops(i32* %a, i32* %b) nounwind {
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entry:
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; EXPANDED: byte_word_ops:
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; EXPANDED: ldrb
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; EXPANDED: strb
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; UNALIGNED: byte_word_ops:
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; UNALIGNED-NOT: ldrb
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; UNALIGNED: ldr
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; UNALIGNED-NOT: strb
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; UNALIGNED: str
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%tmp = load i32* %a, align 1
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store i32 %tmp, i32* %b, align 1
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ret void
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}
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