// unconditional branch.
EverMadeChange |= eliminateMostlyEmptyBlocks(F);
- // llvm.dbg.value is far away from the value then iSel may not be able
- // handle it properly. iSel will drop llvm.dbg.value if it can not
- // find a node corresponding to the value.
- EverMadeChange |= placeDbgValues(F);
-
if (!DisableBranchOpts)
EverMadeChange |= splitBranchCondition(F);
EverMadeChange |= simplifyOffsetableRelocate(*I);
}
+ // Do this last to clean up use-before-def scenarios introduced by other
+ // preparatory transforms.
+ EverMadeChange |= placeDbgValues(F);
+
return EverMadeChange;
}
;
; DEBUG-LABEL: @fdiv_true_sink(
; DEBUG-NEXT: entry:
-; DEBUG-NEXT: call void @llvm.dbg.value(metadata float [[DIV:%[^,]+]]
; DEBUG-NEXT: [[CMP:%.*]] = fcmp ogt float [[A:%.*]], 1.000000e+00
; DEBUG-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP]]
; DEBUG-NEXT: br i1 [[CMP]], label [[SELECT_TRUE_SINK:%.*]], label [[SELECT_END:%[^,]+]]
; DEBUG: select.true.sink:
-; DEBUG-NEXT: [[DIV]] = fdiv float [[A]], [[B:%.*]]
+; DEBUG-NEXT: [[DIV:%.*]] = fdiv float [[A]], [[B:%.*]]
+; DEBUG-NEXT: call void @llvm.dbg.value(metadata float [[DIV]]
; DEBUG-NEXT: br label [[SELECT_END]]
; DEBUG: select.end:
; DEBUG-NEXT: [[SEL:%.*]] = phi float [ [[DIV]], [[SELECT_TRUE_SINK]] ], [ 2.000000e+00, [[ENTRY:%.*]] ]