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https://github.com/c64scene-ar/llvm-6502.git
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5eba90a861
Moritz's changes have improved codegen a lot, but further testing showed significant correctness problems. Disable by default until these have been worked out. Patch by Moritz Roth! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210789 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.0 KiB
LLVM
39 lines
1.0 KiB
LLVM
; RUN: llc -mtriple=thumbv6m-eabi %s -o - | FileCheck %s
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; XFAIL: *
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@d = external global [64 x i32]
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@s = external global [64 x i32]
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; Function Attrs: nounwind
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define void @t1() #0 {
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entry:
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; CHECK: ldr [[REG0:r[0-9]]],
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; CHECK: ldm [[REG0]]!,
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; CHECK: ldr [[REG1:r[0-9]]],
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; CHECK: stm [[REG1]]!,
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; CHECK: subs [[REG0]], #32
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; CHECK-NEXT: ldrb
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; CHECK: subs [[REG1]], #32
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; CHECK-NEXT: strb
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast ([64 x i32]* @s to i8*), i8* bitcast ([64 x i32]* @d to i8*), i32 33, i32 4, i1 false)
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ret void
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}
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; Function Attrs: nounwind
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define void @t2() #0 {
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entry:
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; CHECK: ldr [[REG0:r[0-9]]],
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; CHECK: ldm [[REG0]]!,
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; CHECK: ldr [[REG1:r[0-9]]],
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; CHECK: stm [[REG1]]!,
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; CHECK: ldrh
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; CHECK: ldrb
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; CHECK: strb
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; CHECK: strh
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast ([64 x i32]* @s to i8*), i8* bitcast ([64 x i32]* @d to i8*), i32 15, i32 4, i1 false)
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ret void
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}
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
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