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https://github.com/c64scene-ar/llvm-6502.git
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fac4f1f181
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98132 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
1.4 KiB
LLVM
29 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=i386-pc-linux-gnu < %s
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; PR4668
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; XFAIL: *
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; FIXME: If the coalescer happens to coalesce %level.1 with the copy to EAX
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; (for ret) then this will fail to compile. The fundamental problem is
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; once the coalescer fixes a virtual register to physical register we can't
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; evict it.
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define i32 @x(i32 %qscale) nounwind {
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entry:
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%temp_block = alloca [64 x i16], align 16 ; <[64 x i16]*> [#uses=0]
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%tmp = call i32 asm sideeffect "xor %edx, %edx", "={dx},~{dirflag},~{fpsr},~{flags}"() nounwind ; <i32> [#uses=1]
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br i1 undef, label %if.end78, label %if.then28
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if.then28: ; preds = %entry
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br label %if.end78
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if.end78: ; preds = %if.then28, %entry
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%level.1 = phi i32 [ %tmp, %if.then28 ], [ 0, %entry ] ; <i32> [#uses=1]
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%add.ptr1 = getelementptr [64 x i16]* null, i32 0, i32 %qscale ; <i16*> [#uses=1]
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%add.ptr2 = getelementptr [64 x i16]* null, i32 1, i32 %qscale ; <i16*> [#uses=1]
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%add.ptr3 = getelementptr [64 x i16]* null, i32 2, i32 %qscale ; <i16*> [#uses=1]
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%add.ptr4 = getelementptr [64 x i16]* null, i32 3, i32 %qscale ; <i16*> [#uses=1]
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%add.ptr5 = getelementptr [64 x i16]* null, i32 4, i32 %qscale ; <i16*> [#uses=1]
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%add.ptr6 = getelementptr [64 x i16]* null, i32 5, i32 %qscale ; <i16*> [#uses=1]
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%tmp1 = call i32 asm sideeffect "nop", "={ax},r,r,r,r,r,0,~{dirflag},~{fpsr},~{flags}"(i16* %add.ptr6, i16* %add.ptr5, i16* %add.ptr4, i16* %add.ptr3, i16* %add.ptr2, i16* %add.ptr1) nounwind ; <i32> [#uses=0]
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ret i32 %level.1
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}
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