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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
76 lines
2.4 KiB
LLVM
76 lines
2.4 KiB
LLVM
; RUN: opt < %s -S -loop-rotate -o - -verify-loop-info -verify-dom-info | FileCheck %s
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; RUN: opt < %s -S -loop-rotate -o - -verify-loop-info -verify-dom-info -enable-mssa-loop-dependency=true -verify-memoryssa | FileCheck %s
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; PR5502
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define void @z80_do_opcodes() nounwind {
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entry:
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br label %while.cond
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while.cond: ; preds = %end_opcode, %entry
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br label %while.body
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while.body: ; preds = %while.cond
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br label %indirectgoto
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run_opcode: ; preds = %indirectgoto
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%tmp276 = load i8, i8* undef ; <i8> [#uses=1]
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br label %indirectgoto
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if.else295: ; preds = %divide_late
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br label %end_opcode
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end_opcode: ; preds = %indirectgoto, %sw.default42406, %sw.default, %if.else295
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%opcode.2 = phi i8 [ %opcode.0, %indirectgoto ], [ 0, %sw.default42406 ], [ undef, %sw.default ], [ %opcode.0, %if.else295 ] ; <i8> [#uses=0]
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switch i32 undef, label %while.cond [
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i32 221, label %sw.bb11691
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i32 253, label %sw.bb30351
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]
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sw.bb11691: ; preds = %end_opcode
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br label %sw.default
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sw.default: ; preds = %sw.bb11691
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br label %end_opcode
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sw.bb30351: ; preds = %end_opcode
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br label %sw.default42406
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sw.default42406: ; preds = %sw.bb30351
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br label %end_opcode
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indirectgoto: ; preds = %run_opcode, %while.body
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%opcode.0 = phi i8 [ undef, %while.body ], [ %tmp276, %run_opcode ] ; <i8> [#uses=2]
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indirectbr i8* undef, [label %run_opcode, label %if.else295, label %end_opcode]
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}
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; CHECK-LABEL: @foo
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define void @foo(i1 %a, i1 %b, i8* %c) {
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; CHECK: entry
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; CHECK-NEXT: br i1 %a, label %return, label %preheader
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entry:
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br i1 %a, label %return, label %preheader
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; CHECK: preheader:
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; CHECK-NEXT: br label %header
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preheader:
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br label %header
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; CHECK: header:
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; CHECK-NEXT: br i1 %b, label %return, label %body
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header:
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br i1 %b, label %return, label %body
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; CHECK: body:
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; CHECK-NEXT: indirectbr i8* %c, [label %return, label %latch]
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body:
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indirectbr i8* %c, [label %return, label %latch]
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; CHECK: latch:
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; CHECK-NEXT: br label %header
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latch:
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br label %header
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return:
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ret void
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}
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